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Steal back from r destructively and return it. * * See_Also: http://forum.dlang.org/thread/jkbhlezbcrufowxtthmy@forum.dlang.org#post-konhvblwbmpdrbeqhyuv:40forum.dlang.org * See_Also: http://forum.dlang.org/thread/onibkzepudfisxtrigsi@forum.dlang.org#post-dafmzroxvaeejyxrkbon:40forum.dlang.org * See_Also: https://forum.dlang.org/thread/arufovtvoewhyfuesvco@forum.dlang.org

ElementType!R
backPop
(
R
)
(
ref R r
)
if (
isInputRange!R &&
)

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