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Enum member std.range.primitives.isOutputRange

Returns true if R is an output range for elements of type E. An output range is defined functionally as a range that supports the operation put(r, e) as defined above.

enum isOutputRange(R, E) = is(typeof(put(lvalueOf!R, lvalueOf!E)));

See Also

The header of std.range for tutorials on ranges.


void myprint(scope const(char)[] s) { }
static assert(isOutputRange!(typeof(&myprint), char));

static assert( isOutputRange!(char[], char));
static assert( isOutputRange!(dchar[], wchar));
static assert( isOutputRange!(dchar[], dchar));


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.