eopl; showcase: the nameless interpreter
eopl; exercise 3.38 - cond in nameless
eopl; exercise 3.39 - unpack in nameless
eopl; exercise 3.40 - letrec in nameless
eopl; exercise 3.41 - multi-param in nameless
eopl; exercise 3.42 - trimmed envrionments
eopl; exercise 3.43 - known procedures
eopl; exercise 3.44 - don't construct known procs