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The MPL Reference Manual: Lambda Expression

Lambda Expression

Description

A Lambda Expression is a compile-time invocable entity in either of the following two forms:

Most of the MPL components accept either of those, and the concept gives us a consice way to describe these requirements.

Expression requirements

See corresponding Metafunction Class and Placeholder Expression specifications.

Models

always
unpack_args
plus<_, int_<2> >
if_< less<_1, int_<7> >, plus<_1,_2>, _1 >

See also

Metafunctions, Placeholders, apply, lambda