https://issues.dlang.org/show_bug.cgi?id=12656
Issue ID: 12656 Summary: Some functions in std.ascii can be @nogc Product: D Version: D2 Hardware: All OS: All Status: NEW Keywords: rejects-valid Severity: enhancement Priority: P1 Component: Phobos Assignee: nob...@puremagic.com Reporter: bearophile_h...@eml.cc void main() @nogc { import std.ascii: toLower, toUpper, isLower, isUpper; auto c1 = toUpper('a'); auto c2 = toLower('A'); auto b1 = isLower('a'); auto b2 = isUpper('A'); } DMD 2.066alpha gives: test.d(3,22): Error: @nogc function 'D main' cannot call non-@nogc function 'std.ascii.toUpper!char.toUpper' test.d(4,22): Error: @nogc function 'D main' cannot call non-@nogc function 'std.ascii.toLower!char.toLower' test.d(5,22): Error: @nogc function 'D main' cannot call non-@nogc function 'std.ascii.isLower' test.d(6,22): Error: @nogc function 'D main' cannot call non-@nogc function 'std.ascii.isUpper' --