Method Pike.get_first_arg_type()
- Method
get_first_arg_type
type
|zero
get_first_arg_type(type
fun_type
)- Description
Check if a function of the type
fun_type
may be called with an argument, and return the type of that argument.- Returns
Returns the expected type of the first argument to the function.
Returns 0 (zero) if a function of the type
fun_type
may not be called with any argument, or if it is not callable.