Function CFCharacterSetCreateWithCharactersInString

pub unsafe extern "C-unwind" fn CFCharacterSetCreateWithCharactersInString(
    alloc: Option<&CFAllocator>,
    the_string: Option<&CFString>,
) -> Option<CFRetained<CFCharacterSet>>

Available on crate features CFBase and CFCharacterSet only.

Creates a new immutable character set with the values in the given string.

Parameter alloc: The CFAllocator which should be used to allocate memory for the array and its storage for values. This parameter may be NULL in which case the current default CFAllocator is used. If this reference is not a valid CFAllocator, the behavior is undefined.

Parameter theString: The CFString which should be used to specify the Unicode characters the character set is filled with. If this parameter is not a valid CFString, the behavior is undefined.

Returns: A reference to the new immutable CFCharacterSet.