std::parameter_count_of

number of wanted arguments

Parameter

function: the function to be analyzed

Result

count: the number of arguments the function expects

Description

This attribute returns the number of arguments to use when calling its function. Functions that accept a variable number of arguments will return std::undefined.

Attention: Functions accepting a variable number of arguments might have a minimum and/or maximum number of expected arguments. These numbers cannot be retrieved during runtime!

Implemented by

std_types::c_function	the number of arguments to supply in calls to this function
std_types::function	the number of arguments to supply in calls to this function