toLower

fnauto toLower(C)(C c) if (is(C : dchar))

Converts an ASCII letter to lowercase.

Parameters

cA character of any type that implicitly converts to dchar. In the case where it's a built-in type, or an enum of a built-in type, Unqual!(OriginalType!C) is returned, whereas if it's a user-defined type, dchar is returned.

Returns

The corresponding lowercase letter, if c is an uppercase

ASCII character, otherwise c itself.