protocol AbsoluteValuable| Inheritance |
Comparable, Equatable, IntegerLiteralConvertible, SignedNumberType
View Protocol Hierarchy →
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|---|---|
| Associated Types | |
| Import | import Swift |
Initializers
init(integerLiteral:) Required
Create an instance initialized to value.
Declaration
init(integerLiteral value: Self.IntegerLiteralType)
Declared In
IntegerLiteralConvertible
Static Methods
static func abs(_:)
Required
Returns the absolute value of x.
Declaration
static func abs(x: Self) -> Self
Instance Methods
func <(_:rhs:)
Required
A strict total order
over instances of Self.
Declaration
func <(lhs: Self, rhs: Self) -> Bool
Declared In
Comparable
func ==(_:rhs:)
Required
Returns true if lhs is equal to rhs.
Equality implies substitutability. When x == y, x and
y are interchangeable in any code that only depends on their
values.
Class instance identity as distinguished by triple-equals ===
is notably not part of an instance's value. Exposing other
non-value aspects of Equatable types is discouraged, and any
that are exposed should be explicitly pointed out in
documentation.
Equality is an equivalence relation
x == xistruex == yimpliesy == xx == yandy == zimpliesx == z
Inequality is the inverse of equality, i.e. !(x == y) iff
x != y.
Declaration
func ==(lhs: Self, rhs: Self) -> Bool
Declared In
Equatable
prefix func -(_:)
Required
Returns the result of negating x.
Declaration
prefix func -(x: Self) -> Self
Declared In
SignedNumberType
func -(_:rhs:)
Required
Returns the difference between lhs and rhs.
Declaration
func -(lhs: Self, rhs: Self) -> Self
Declared In
SignedNumberType
A type that supports an "absolute value" function.