View source code
Display the source code in std/range/primitives.d from which this page was generated on github.
Report a bug
If you spot a problem with this page, click here to create a Bugzilla issue.
Improve this page
Quickly fork, edit online, and submit a pull request for this page. Requires a signed-in GitHub account. This works well for small changes. If you'd like to make larger changes you may want to consider using local clone.

Function std.range.primitives.moveBack

Moves the back of r out and returns it. Leaves r.back in a destroyable state that does not allocate any resources (usually equal to its .init value).

ElementType!R moveBack(R) (
  R r


struct TestRange
    int payload = 5;
    @property bool empty() { return false; }
    @property TestRange save() { return this; }
    @property ref int front() return { return payload; }
    @property ref int back() return { return payload; }
    void popFront() { }
    void popBack() { }
static assert(isBidirectionalRange!TestRange);
TestRange r;
auto x = moveBack(r);
writeln(x); // 5


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.