pre_main_call.hpp File Reference

Provides a macro to call a lambda before main. More...

#include "shambase/unique_name_macro.hpp"

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Macros
#define	PRE_MAIN_FUNCTION_CALL_NAMED(class_name, instance_name, lambda)
	Macro to call a lambda or a function before main.
#define	PRE_MAIN_FUNCTION_CALL(lambda)
	Macro to call a lambda or a function before main with a automatically generated unique name.

Detailed Description

Provides a macro to call a lambda before main.

Author

Timothée David–Cléris (tim.s.nosp@m.hamr.nosp@m.ock@p.nosp@m.roto.nosp@m.n.me)

Definition in file pre_main_call.hpp.

Macro Definition Documentation

PRE_MAIN_FUNCTION_CALL

#define PRE_MAIN_FUNCTION_CALL

(

lambda

)

Value:

    PRE_MAIN_FUNCTION_CALL_NAMED(                                                                  \
        __shamrock_unique_name(_PRE_MAIN_FUNCTION_CALL),                                           \
        __shamrock_unique_name(_PRE_MAIN_FUNCTION_CALL_INSTANCE),                                  \
        lambda)

Macro to call a lambda or a function before main with a automatically generated unique name.

Usage :

int pre_main_call_counter = 0;
PRE_MAIN_FUNCTION_CALL([&]() {
    pre_main_call_counter++;
});
PRE_MAIN_FUNCTION_CALL(pre_main_call_function);

Parameters

lambda

The lambda or function to call

Definition at line 45 of file pre_main_call.hpp.

PRE_MAIN_FUNCTION_CALL_NAMED

#define PRE_MAIN_FUNCTION_CALL_NAMED	(		class_name,
			instance_name,
			lambda
	)

Value:

    namespace {                                                                                    \
        struct class_name {                                                                        \
            class_name() { lambda(); }                                                             \
        };                                                                                         \
        static const class_name instance_name{};                                                   \
    }

Macro to call a lambda or a function before main.

Definition at line 22 of file pre_main_call.hpp.