hpx/preprocessor/expand.hpp

See Public API for a list of names and headers that are part of the public HPX API.

Defines

HPX_PP_EXPAND(X)

The HPX_PP_EXPAND macro performs a double macro-expansion on its argument.

This macro can be used to produce a delayed preprocessor expansion.

Parameters
  • X: Token to be expanded twice

Example:

#define MACRO(a, b, c) (a)(b)(c)
#define ARGS() (1, 2, 3)

HPX_PP_EXPAND(MACRO ARGS()) // expands to (1)(2)(3)