4 commits

Author	SHA1	Message	Date
Eelco Dolstra	0fd3648d34	* Store values in environments.	2010-03-24 12:41:08 +00:00
Eelco Dolstra	b70bd8fe56	* Reduce the number of value allocations in eval() by moving ... responsibility for allocation of the result to the caller.	2010-03-24 12:11:38 +00:00
Eelco Dolstra	d31c59eb17	* Plain lambdas.	2010-03-24 11:06:05 +00:00
Eelco Dolstra	0910ae9568	* Start of an evaluator that uses call-by-need (with thunk updating) ... instead of (memoised) call-by-name.	2010-03-23 17:30:50 +00:00