In Str§

See primary documentation in context for routine uc.

multi        uc(Str:D  --> Str:D)
multi method uc(Str:D: --> Str:D)

Returns an uppercase version of the string.

In Allomorph§

See primary documentation in context for method uc.

method uc(Allomorph:D:)

Calls Str.uc on the invocant's Str value.

In Cool§

See primary documentation in context for routine uc.

sub uc(Str(Cool))
method uc()

Coerces the invocant (or in sub form, its argument) to Str, and returns it case-folded to uppercase (capital letters).

say "Abc".uc;       # OUTPUT: «ABC␤»