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struct Int8
inherits Int

Constants

MAX = 127_i8

MIN = -128_i8

Class methods

.from_json_object_key?(key : String)

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.new!(value)

Returns an Int8 by invoking to_i8! on value.

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.new(ctx : YAML::ParseContext, node : YAML::Nodes::Node)

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.new(pull : JSON::PullParser)

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.new(value)

Returns an Int8 by invoking to_i8 on value.

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Methods

#!=(other : Float64) : Bool

Returns true if self is not equal to other.

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#!=(other : UInt128) : Bool

Returns true if self is not equal to other.

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#!=(other : UInt64) : Bool

Returns true if self is not equal to other.

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#!=(other : UInt32) : Bool

Returns true if self is not equal to other.

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#!=(other : UInt16) : Bool

Returns true if self is not equal to other.

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#!=(other : UInt8) : Bool

Returns true if self is not equal to other.

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#!=(other : Int128) : Bool

Returns true if self is not equal to other.

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#!=(other : Int64) : Bool

Returns true if self is not equal to other.

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#!=(other : Int32) : Bool

Returns true if self is not equal to other.

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#!=(other : Int16) : Bool

Returns true if self is not equal to other.

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#!=(other : Int8) : Bool

Returns true if self is not equal to other.

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#!=(other : Float32) : Bool

Returns true if self is not equal to other.

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#&(other : UInt128) : self

Returns the result of performing a bitwise AND of self's and other's bits.

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#&(other : UInt64) : self

Returns the result of performing a bitwise AND of self's and other's bits.

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#&(other : UInt32) : self

Returns the result of performing a bitwise AND of self's and other's bits.

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#&(other : UInt16) : self

Returns the result of performing a bitwise AND of self's and other's bits.

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#&(other : UInt8) : self

Returns the result of performing a bitwise AND of self's and other's bits.

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#&(other : Int128) : self

Returns the result of performing a bitwise AND of self's and other's bits.

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#&(other : Int16) : self

Returns the result of performing a bitwise AND of self's and other's bits.

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#&(other : Int64) : self

Returns the result of performing a bitwise AND of self's and other's bits.

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#&(other : Int8) : self

Returns the result of performing a bitwise AND of self's and other's bits.

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#&(other : Int32) : self

Returns the result of performing a bitwise AND of self's and other's bits.

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#&*(other : UInt128) : self

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

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#&*(other : UInt64) : self

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

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#&*(other : UInt32) : self

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

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#&*(other : UInt16) : self

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

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#&*(other : UInt8) : self

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

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#&*(other : Int64) : self

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

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#&*(other : Int32) : self

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

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#&*(other : Int16) : self

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

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#&*(other : Int8) : self

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

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#&*(other : Int128) : self

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

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#&+(other : UInt16) : self

Returns the result of adding self and other. In case of overflow a wrapping is performed.

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#&+(other : UInt128) : self

Returns the result of adding self and other. In case of overflow a wrapping is performed.

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#&+(other : UInt64) : self

Returns the result of adding self and other. In case of overflow a wrapping is performed.

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#&+(other : UInt32) : self

Returns the result of adding self and other. In case of overflow a wrapping is performed.

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#&+(other : UInt8) : self

Returns the result of adding self and other. In case of overflow a wrapping is performed.

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#&+(other : Int128) : self

Returns the result of adding self and other. In case of overflow a wrapping is performed.

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#&+(other : Int64) : self

Returns the result of adding self and other. In case of overflow a wrapping is performed.

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#&+(other : Int32) : self

Returns the result of adding self and other. In case of overflow a wrapping is performed.

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#&+(other : Int16) : self

Returns the result of adding self and other. In case of overflow a wrapping is performed.

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#&+(other : Int8) : self

Returns the result of adding self and other. In case of overflow a wrapping is performed.

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#&-(other : UInt128) : self

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

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#&-(other : UInt64) : self

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

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#&-(other : UInt32) : self

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

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#&-(other : UInt16) : self

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

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#&-(other : UInt8) : self

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

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#&-(other : Int128) : self

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

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#&-(other : Int64) : self

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

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#&-(other : Int32) : self

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

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#&-(other : Int16) : self

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

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#&-(other : Int8) : self

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

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#*(other : Int8) : self

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

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#*(other : Int16) : self

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

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#*(other : Int64) : self

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

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#*(other : Int128) : self

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

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#*(other : UInt8) : self

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

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#*(other : Int32) : self

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

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#*(other : Float64) : Float64

Returns the result of multiplying self and other.

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#*(other : Float32) : Float32

Returns the result of multiplying self and other.

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#*(other : UInt128) : self

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

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#*(other : UInt64) : self

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

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#*(other : UInt32) : self

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

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#*(other : UInt16) : self

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

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#+(other : Int128) : self

Returns the result of adding self and other. Raises OverflowError in case of overflow.

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#+(other : UInt8) : self

Returns the result of adding self and other. Raises OverflowError in case of overflow.

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#+(other : UInt32) : self

Returns the result of adding self and other. Raises OverflowError in case of overflow.

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#+(other : UInt64) : self

Returns the result of adding self and other. Raises OverflowError in case of overflow.

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#+(other : UInt128) : self

Returns the result of adding self and other. Raises OverflowError in case of overflow.

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#+(other : Float32) : Float32

Returns the result of adding self and other.

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#+(other : Float64) : Float64

Returns the result of adding self and other.

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#+(other : Int64) : self

Returns the result of adding self and other. Raises OverflowError in case of overflow.

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#+(other : Int32) : self

Returns the result of adding self and other. Raises OverflowError in case of overflow.

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#+(other : Int16) : self

Returns the result of adding self and other. Raises OverflowError in case of overflow.

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#+(other : UInt16) : self

Returns the result of adding self and other. Raises OverflowError in case of overflow.

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#+(other : Int8) : self

Returns the result of adding self and other. Raises OverflowError in case of overflow.

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#-(other : Int16) : self

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

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#-(other : Int8) : self

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

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#-(other : Int32) : self

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

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#-(other : Int64) : self

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

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#-(other : Int128) : self

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

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#-(other : UInt8) : self

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

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#-(other : UInt16) : self

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

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#-(other : UInt32) : self

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

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#-(other : UInt64) : self

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

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#-(other : UInt128) : self

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

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#-(other : Float32) : Float32

Returns the result of subtracting self and other.

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#-(other : Float64) : Float64

Returns the result of subtracting self and other.

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#-

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#/(other : BigInt) : BigFloat

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#/(other : Float64) : Float64

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#/(other : Float32) : Float32

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#/(other : UInt128) : Float64

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#/(other : Int128) : Float64

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#/(other : UInt64) : Float64

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#/(other : Int64) : Float64

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#/(other : UInt32) : Float64

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#/(other : Int32) : Float64

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#/(other : UInt16) : Float64

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#/(other : Int16) : Float64

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#/(other : UInt8) : Float64

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#/(other : BigFloat) : BigFloat

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#/(other : BigDecimal) : BigDecimal

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#/(other : BigRational) : BigRational

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#/(other : Int8) : Float64

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#<(other : Float64) : Bool

Returns true if self is less than other.

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#<(other : Float32) : Bool

Returns true if self is less than other.

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#<(other : UInt64) : Bool

Returns true if self is less than other.

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#<(other : UInt32) : Bool

Returns true if self is less than other.

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#<(other : UInt16) : Bool

Returns true if self is less than other.

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#<(other : UInt8) : Bool

Returns true if self is less than other.

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#<(other : Int128) : Bool

Returns true if self is less than other.

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#<(other : Int64) : Bool

Returns true if self is less than other.

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#<(other : Int32) : Bool

Returns true if self is less than other.

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#<(other : Int16) : Bool

Returns true if self is less than other.

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#<(other : Int8) : Bool

Returns true if self is less than other.

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#<(other : UInt128) : Bool

Returns true if self is less than other.

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#<=(other : UInt64) : Bool

Returns true if self is less than or equal to other.

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#<=(other : Float32) : Bool

Returns true if self is less than or equal to other.

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#<=(other : UInt128) : Bool

Returns true if self is less than or equal to other.

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#<=(other : UInt32) : Bool

Returns true if self is less than or equal to other.

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#<=(other : UInt16) : Bool

Returns true if self is less than or equal to other.

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#<=(other : UInt8) : Bool

Returns true if self is less than or equal to other.

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#<=(other : Int128) : Bool

Returns true if self is less than or equal to other.

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#<=(other : Int64) : Bool

Returns true if self is less than or equal to other.

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#<=(other : Int32) : Bool

Returns true if self is less than or equal to other.

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#<=(other : Int16) : Bool

Returns true if self is less than or equal to other.

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#<=(other : Int8) : Bool

Returns true if self is less than or equal to other.

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#<=(other : Float64) : Bool

Returns true if self is less than or equal to other.

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#==(other : Float32) : Bool

Returns true if self is equal to other.

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#==(other : UInt128) : Bool

Returns true if self is equal to other.

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#==(other : UInt64) : Bool

Returns true if self is equal to other.

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#==(other : UInt32) : Bool

Returns true if self is equal to other.

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#==(other : UInt16) : Bool

Returns true if self is equal to other.

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#==(other : UInt8) : Bool

Returns true if self is equal to other.

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#==(other : Int128) : Bool

Returns true if self is equal to other.

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#==(other : Int64) : Bool

Returns true if self is equal to other.

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#==(other : Int32) : Bool

Returns true if self is equal to other.

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#==(other : Int16) : Bool

Returns true if self is equal to other.

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#==(other : Int8) : Bool

Returns true if self is equal to other.

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#==(other : Float64) : Bool

Returns true if self is equal to other.

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#>(other : UInt16) : Bool

Returns true if self is greater than other.

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#>(other : Int8) : Bool

Returns true if self is greater than other.

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#>(other : Int16) : Bool

Returns true if self is greater than other.

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#>(other : Int32) : Bool

Returns true if self is greater than other.

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#>(other : Int64) : Bool

Returns true if self is greater than other.

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#>(other : Int128) : Bool

Returns true if self is greater than other.

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#>(other : UInt8) : Bool

Returns true if self is greater than other.

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#>(other : UInt32) : Bool

Returns true if self is greater than other.

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#>(other : UInt64) : Bool

Returns true if self is greater than other.

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#>(other : UInt128) : Bool

Returns true if self is greater than other.

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#>(other : Float32) : Bool

Returns true if self is greater than other.

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#>(other : Float64) : Bool

Returns true if self is greater than other.

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#>=(other : Int8) : Bool

Returns true if self is greater than or equal to other.

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#>=(other : Int16) : Bool

Returns true if self is greater than or equal to other.

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#>=(other : Int32) : Bool

Returns true if self is greater than or equal to other.

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#>=(other : Int64) : Bool

Returns true if self is greater than or equal to other.

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#>=(other : Int128) : Bool

Returns true if self is greater than or equal to other.

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#>=(other : UInt8) : Bool

Returns true if self is greater than or equal to other.

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#>=(other : UInt16) : Bool

Returns true if self is greater than or equal to other.

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#>=(other : UInt32) : Bool

Returns true if self is greater than or equal to other.

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#>=(other : UInt64) : Bool

Returns true if self is greater than or equal to other.

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#>=(other : UInt128) : Bool

Returns true if self is greater than or equal to other.

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#>=(other : Float32) : Bool

Returns true if self is greater than or equal to other.

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#>=(other : Float64) : Bool

Returns true if self is greater than or equal to other.

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#^(other : Int16) : self

Returns the result of performing a bitwise XOR of self's and other's bits.

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#^(other : Int32) : self

Returns the result of performing a bitwise XOR of self's and other's bits.

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#^(other : Int64) : self

Returns the result of performing a bitwise XOR of self's and other's bits.

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#^(other : Int128) : self

Returns the result of performing a bitwise XOR of self's and other's bits.

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#^(other : UInt8) : self

Returns the result of performing a bitwise XOR of self's and other's bits.

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#^(other : UInt16) : self

Returns the result of performing a bitwise XOR of self's and other's bits.

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#^(other : UInt32) : self

Returns the result of performing a bitwise XOR of self's and other's bits.

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#^(other : UInt64) : self

Returns the result of performing a bitwise XOR of self's and other's bits.

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#^(other : Int8) : self

Returns the result of performing a bitwise XOR of self's and other's bits.

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#^(other : UInt128) : self

Returns the result of performing a bitwise XOR of self's and other's bits.

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#clone

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#leading_zeros_count

Returns the number of leading 0-bits.

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#popcount

Counts 1-bits in the binary representation of this integer.

5.popcount   # => 2
-15.popcount # => 29
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#to_f : Float64

Returns self converted to Float64. Raises OverflowError in case of overflow.

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#to_f! : Float64

Returns self converted to Float64. In case of overflow a wrapping is performed.

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#to_f32 : Float32

Returns self converted to Float32. Raises OverflowError in case of overflow.

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#to_f32! : Float32

Returns self converted to Float32. In case of overflow a wrapping is performed.

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#to_f64 : Float64

Returns self converted to Float64. Raises OverflowError in case of overflow.

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#to_f64! : Float64

Returns self converted to Float64. In case of overflow a wrapping is performed.

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#to_i : Int32

Returns self converted to Int32. Raises OverflowError in case of overflow.

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#to_i! : Int32

Returns self converted to Int32. In case of overflow a wrapping is performed.

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#to_i128 : Int128

Returns self converted to Int128. Raises OverflowError in case of overflow.

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#to_i128! : Int128

Returns self converted to Int128. In case of overflow a wrapping is performed.

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#to_i16 : Int16

Returns self converted to Int16. Raises OverflowError in case of overflow.

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#to_i16! : Int16

Returns self converted to Int16. In case of overflow a wrapping is performed.

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#to_i32 : Int32

Returns self converted to Int32. Raises OverflowError in case of overflow.

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#to_i32! : Int32

Returns self converted to Int32. In case of overflow a wrapping is performed.

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#to_i64 : Int64

Returns self converted to Int64. Raises OverflowError in case of overflow.

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#to_i64! : Int64

Returns self converted to Int64. In case of overflow a wrapping is performed.

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#to_i8 : Int8

Returns self converted to Int8. Raises OverflowError in case of overflow.

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#to_i8! : Int8

Returns self converted to Int8. In case of overflow a wrapping is performed.

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#to_u : UInt32

Returns self converted to UInt32. Raises OverflowError in case of overflow.

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#to_u! : UInt32

Returns self converted to UInt32. In case of overflow a wrapping is performed.

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#to_u128 : UInt128

Returns self converted to UInt128. Raises OverflowError in case of overflow.

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#to_u128! : UInt128

Returns self converted to UInt128. In case of overflow a wrapping is performed.

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#to_u16 : UInt16

Returns self converted to UInt16. Raises OverflowError in case of overflow.

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#to_u16! : UInt16

Returns self converted to UInt16. In case of overflow a wrapping is performed.

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#to_u32 : UInt32

Returns self converted to UInt32. Raises OverflowError in case of overflow.

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#to_u32! : UInt32

Returns self converted to UInt32. In case of overflow a wrapping is performed.

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#to_u64 : UInt64

Returns self converted to UInt64. Raises OverflowError in case of overflow.

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#to_u64! : UInt64

Returns self converted to UInt64. In case of overflow a wrapping is performed.

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#to_u8 : UInt8

Returns self converted to UInt8. Raises OverflowError in case of overflow.

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#to_u8! : UInt8

Returns self converted to UInt8. In case of overflow a wrapping is performed.

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#trailing_zeros_count

Returns the number of trailing 0-bits.

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#unsafe_chr : Char

Returns a Char that has the unicode codepoint of self, without checking if this integer is in the range valid for chars (0..0x10ffff).

You should never use this method unless chr turns out to be a bottleneck.

97.unsafe_chr # => 'a'
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#|(other : Int8) : self

Returns the result of performing a bitwise OR of self's and other's bits.

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#|(other : Int16) : self

Returns the result of performing a bitwise OR of self's and other's bits.

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#|(other : Int32) : self

Returns the result of performing a bitwise OR of self's and other's bits.

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#|(other : Int64) : self

Returns the result of performing a bitwise OR of self's and other's bits.

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#|(other : UInt128) : self

Returns the result of performing a bitwise OR of self's and other's bits.

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#|(other : Int128) : self

Returns the result of performing a bitwise OR of self's and other's bits.

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#|(other : UInt8) : self

Returns the result of performing a bitwise OR of self's and other's bits.

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#|(other : UInt16) : self

Returns the result of performing a bitwise OR of self's and other's bits.

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#|(other : UInt64) : self

Returns the result of performing a bitwise OR of self's and other's bits.

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#|(other : UInt32) : self

Returns the result of performing a bitwise OR of self's and other's bits.

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