check
Answer whether the given list is correctly internally structured for a send of this message. It must recursively match the expected number of arguments, as well as have the expected permutations in the corresponding recursive Expressions.
Return
Whether the supplied list is recursively of the right shape to be used as the argument list for a call of this splitter's A_Bundle.
Parameters
list
The list phrase or permuted list phrase being checked for conformance with the expected argument structure.