Boost C++ Libraries

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This is an older version of Boost and was released in 2023. The current version is 1.89.0.

Macro BOOST_VMD_TUPLE_POP_BACK_Z

Macro BOOST_VMD_TUPLE_POP_BACK_Z

BOOST_VMD_TUPLE_POP_BACK_Z — pops an element from the end of a tuple. It reenters BOOST_PP_REPEAT with maximum efficiency.

Synopsis

// In header: <boost/vmd/tuple/pop_back.hpp>

BOOST_VMD_TUPLE_POP_BACK_Z(z, tuple)

Description

z = the next available BOOST_PP_REPEAT dimension.
tuple = tuple to pop an element from.

If the tuple is an empty tuple the result is undefined. If the tuple is a single element the result is an empty tuple. Otherwise the result is a tuple after removing the last element.