Module rust_lisp::utils

Traits

TypeName

Functions

require_arg

Given a Value assumed to be a Value::List(), grab the item at index and err if there isn’t one.

require_typed_arg

Given a Value assumed to be a Value::List(), and some type T, grab the item at index in the list and try converting it to type T. RuntimeError if the argument doesn’t exist, or if it is the wrong type.