Based on SRFI 92.
status: withdrawn (2020-03-27)See also SRFI 92: ALAMBDA and ALAMBDA* and SRFI 182: ADBMAL, ALET, and ALET*.
This SRFI introduces alambda, which creates a procedure that checks
its actual arguments, takes various types of required and optional
This SRFI is based on SRFI 92 as an extension of the optional arguments of SRFI 182.