Creates a single string from the individual CFString objects that comprise the elements of an array.
- iOS 2.0+
- macOS 10.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
- Core Foundation
The allocator to use to allocate memory for the new string. Pass
kto use the current default allocator.
An array of CFString objects to concatenate. This value should not be
The string to insert between the substrings in the returned string. This value is commonly a whitespace character such as a tab or a newline (carriage return). If this value is not a valid CFString object, an assertion is raised.
A string that contains a concatenation of the strings in
the separated by
separator. The order of the substrings in the string is identical to the order of the elements in
the is empty, returns an empty CFString object; if
the contains one CFString object, that object is returned (without the separator string). Returns
NULL if there was a problem in creating the string. Ownership follows the The Create Rule.