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Functions Reference
Functions
The following functions are available globally.
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Undocumented
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Undocumented
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Undocumented
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Returns true if right pattern is match with left string, the pattern string would converts to a NSRegularExpression automaticlly in method.
Declaration
Swift
public func =~(str: String, pattern: RegexConvertible) -> BoolParameters
strA string waiting to match
patternA pattern used to match the string
Return Value
A bool value indicates whether the str is matched with the pattern
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Returns true if right pattern is match with left character, the pattern string would converts to a NSRegularExpression automaticlly in method. This method use =~(str:pattern) internal to match char with pattern.
Declaration
Swift
public func =~(left: Character, right: RegexConvertible) -> BoolParameters
leftA
Characterwaiting to matchrightA pattern used to match the string
Return Value
A bool value indicates whether the char is matched with the pattern
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Returns a new String containing integer copies of the receiver. integer must be greater than or equal to 0. If integer is less than of equal to 0, this methods will return an empty string.
let string = "String" string * 3 #=> "StringStringString"Declaration
Swift
public func *(left: String, right: Int) -> StringParameters
leftA string
rightA integer indicates how many times the string will duplicate
Return Value
A new String containing integer copies of the receiver
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Returns a new String containing integer copies of the receiver. integer must be greater than or equal to 0. If integer is less than of equal to 0, this methods will return an empty string.
let string = "String" 3 * string #=> "StringStringString"Declaration
Swift
public func *(left: Int, right: String) -> StringParameters
leftA integer indicates how many times the string will duplicate
rightA string
Return Value
A new String containing integer copies of the receiver
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Returns a new String containing the two strings passed into this operator.
"Hello" << " World" #=> "Hello World"Declaration
Swift
public func <<(left: String, right: String) -> StringParameters
leftA string
rightAnther string
Return Value
A new string containing the two strings passed into this operator
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Returns a new hash containing the contents of
otherHashand the contents of hsh. the value for entries with duplicate keys will be that ofrhs
See morelet h1 = ["a": 100, "b": 200] let h2 = ["b": 254, "c": 300] h1 + h2 #=> ["a": 100, "b": 254, "c": 300]Declaration
Swift
public func +<K, V>(lhs: Hash<K, V>, rhs: Hash<K, V>) -> Hash<K, V>Parameters
leftA hash.
rightAnother hash.
Return Value
Returns a new hash containing the contents of
otherHashand the contents of hsh.
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Raises integer to the power of numeric, which may be negative or fractional. The result may be overflow.
1 ** 2 #=> 1 2 ** 2 #=> 4 -2 ** 2 #=> 4 -(2 ** 2) #=> -4 -2 ** 0 #=> 1Declaration
Swift
public func **(integer: Int, numeric: Int) -> IntParameters
integerAn integer indicates the numeric
numericAn integer indicates the power
Return Value
An integer which is the power of numeric
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Raises integer to the power of numeric, which may be negative or fractional.
1 ** 2 #=> 1 2 ** 2 #=> 4 -2 ** 2 #=> 4 -(2 ** 2) #=> -4 -2 ** 0 #=> 1Declaration
Swift
public func **(double: Double, numeric: Double) -> DoubleParameters
doubleAn double indicates the numeric
numericAn double indicates the power
Return Value
An integer which is the power of numeric
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Undocumented
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Undocumented
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Undocumented
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Undocumented
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Undocumented