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std.uni.toLower - multiple declarations

Function toLower

If c is a Unicode uppercase character, then its lowercase equivalent is returned. Otherwise c is returned.

dchar toLower (
  dchar c
) pure nothrow @nogc @safe;


certain alphabets like German and Greek have no 1:1 upper-lower mapping. Use overload of toLower which takes full string instead.

Function toLower

Creates a new array which is identical to s except that all of its characters are converted to lowercase (by performing Unicode lowercase mapping). If none of s characters were affected, then s itself is returned if s is a string-like type.

ElementEncodingType!S[] toLower(S) (
  scope return S s
) @trusted
if (isSomeString!S);

ElementEncodingType!S[] toLower(S) (
  S s
if (!isSomeString!S && (isRandomAccessRange!S && hasLength!S && hasSlicing!S && isSomeChar!(ElementType!S)));


s A random access range of characters


An array with the same element type as s.


Dmitry Olshansky


Boost License 1.0.