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Function std.algorithm.mutation.moveEmplaceSome
Same as moveSome
but assumes all elements in tgt
are
uninitialized. Uses moveEmplace
to move elements from
src
over elements from tgt
.
Tuple!(InputRange1,InputRange2) moveEmplaceSome(InputRange1, InputRange2)
(
InputRange1 src,
InputRange2 tgt
) @system
if (isInputRange!InputRange1 && isInputRange!InputRange2 && is(typeof(move(src .front, tgt .front))));
Example
static struct Foo
{
~this() pure nothrow @nogc { if (_ptr) ++*_ptr; }
int* _ptr;
}
int[4] refs = [0, 1, 2, 3];
Foo[4] src = [Foo(&refs[0]), Foo(&refs[1]), Foo(&refs[2]), Foo(&refs[3])];
Foo[3] dst = void;
auto res = moveEmplaceSome(src[], dst[]);
writeln(res .length); // 2
import std .algorithm .searching : all;
assert(src[0 .. 3] .all!(e => e ._ptr is null));
assert(src[3] ._ptr !is null);
assert(dst[] .all!(e => e ._ptr !is null));
Authors
License
Copyright © 1999-2022 by the D Language Foundation | Page generated by ddox.