infix operator ~= { associativity none precedence 130 } Declarations func ~= <I : ForwardIndexType where I : Comparable>(_: Range<I>, value: I) Declaration func ~=<I : ForwardIndexType where I : Comparable>(pattern: Range<I>, value: I) -> Bool func ~= <I : IntervalType>(_: I, value: I.Bound) Returns true iff pattern contains value. Declaration func ~=<I : IntervalType>(pattern: I, value: I.Bound) -> Bool func ~= <T : Equatable>(_: T, b: T) Declaration func ~=<T : Equatable>(a: T, b: T) -> Bool func ~= <T>(_: _OptionalNilComparisonType, rhs: T?) Declaration func ~=<T>(lhs: _OptionalNilComparisonType, rhs: T?) -> Bool