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Idiom #328 Convert string to upper case

Assign to t the value of the string s, with all letters mapped to their upper case.

import "strings"
t := strings.ToUpper(s)
let t = s.toUpperCase();
local t = string.upper(s)
t := UpperCase(s);
$t = uc $s;
t = s.upper()
t = s.upcase
let t = s.to_uppercase();
New implementation...
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programming-idioms.org 
t := strings.ToUpper(s)
let t = s.toUpperCase();
local t = string.upper(s)
t := UpperCase(s);
$t = uc $s;
t = s.upper()
t = s.upcase
let t = s.to_uppercase();