Method Pike.low_check_call()

Method low_check_call

type low_check_call(type fun_type, type arg_type)
type low_check_call(type fun_type, type arg_type, int flags)

Description

Check whether a function of type fun_type may be called with a first argument of type arg_type.

Parameter flags

The following flags are currently defined:

1	Strict types. Fail if not all possible values in arg_type are valid as the first argument to fun_type.
2	Last argument. arg_type is the last argument to fun_type.
3	Both strict types and last argument as above.

Returns

Returns a continuation type on success.

Returns 0 (zero) on failure.