to_upper(s: utf8) → utf8
Category: [strings](builtinsstrings)_
Uppercase every character of a string.
| Parameter | Type | Description | Remarks |
|---|---|---|---|
| s | utf8 | The string to uppercase. | — |
| returns | utf8 | The uppercased string. | — |
wcl
to_upper("abc") // uppercase every character → "ABC"