Allocates a new array which is identical to s except that all of its characters are converted to uppercase (by performing Unicode uppercase mapping). If none of s characters were affected, then s itself is returned if s is a string-like type.
A random access range of characters
An new array with the same element type as s.
See Implementation
Allocates a new array which is identical to s except that all of its characters are converted to uppercase (by performing Unicode uppercase mapping). If none of s characters were affected, then s itself is returned if s is a string-like type.