6.15.1 Procedures

Builtin Class: <procedure>

Function: procedure? obj

[R5RS] Returns #t if obj is a procedure, #f otherwise.

Function: apply proc arg1 ... args

[R5RS] Calls a procedure proc with a list of arguments, (arg1 ... . args). The last argument args must be a proper list. Returns (a) value(s) proc returns.

(apply list 'a 'b '(c d e)) => (a b c d e) (apply + 1 2 '(3 4 5)) => 15

6.15.1.1 Mapping
6.15.1.2 Combinators
6.15.1.3 Optional argument parsing
6.15.1.4 Procedure arity