Fresh variable name generator.
Fresh variable name generator. To keep things simple, we generate
names of the form _vn where n is a unique number. These names
are guaranteed not to occur in user programs, so we do not have
to check for clashes.
Free variables
Free variables
Normal-order reduction
Normal-order reduction
(Changed in version 2.9.0) The p0 call-by-name arguments is evaluated at most once per constructed Parser object, instead of on every need that arises during parsing.
\xgc-reduction
\xgc-reduction
A read-eval-print loop for evaluation of lambda calculus expressions.