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Alias std.range.primitives.ElementEncodingType

The encoding element type of R. For narrow strings (char[], wchar[] and their qualified variants including string and wstring), ElementEncodingType is the character type of the string. For all other types, ElementEncodingType is the same as ElementType.

alias ElementEncodingType(R) = E;


import std.range : iota;
// internally the range stores the encoded type
static assert(is(ElementEncodingType!(char[])  == char));

static assert(is(ElementEncodingType!(wstring) == immutable(wchar)));

static assert(is(ElementEncodingType!(byte[]) == byte));

auto range = iota(0, 10);
static assert(is(ElementEncodingType!(typeof(range)) == int));


Andrei Alexandrescu, David Simcha, and Jonathan M Davis. Credit for some of the ideas in building this module goes to Leonardo Maffi.


Boost License 1.0.