19 Commits

Author	SHA1	Message	Date
Rob Rix	97915e1410	Rename lambda to closure.	2018-05-08 10:54:32 -04:00
Rob Rix	d9084f9f45	lambda takes the set of free variables as a parameter.	2018-05-08 10:54:04 -04:00
Rob Rix	5a4e6cb0b0	Merge branch 'evaluator-dsl' into evaluate-closures-without-terms	2018-05-08 10:40:41 -04:00
Rob Rix	8881dc0284	Fix an ambiguous reference to runM.	2018-05-08 10:40:25 -04:00
Rob Rix	eacb5b47d7	Implement goto using Goto effects embedding evaluators.	2018-05-08 10:19:50 -04:00
Rob Rix	2b2a6f0cd8	Specialize ValueError to Value.	2018-05-08 09:05:43 -04:00
Rob Rix	b66ea73427	Reassociate errors in the specs.	2018-05-07 16:56:40 -04:00
Rob Rix	d9e76fb2c5	Test that we can call functions.	2018-05-07 16:06:21 -04:00
Rob Rix	c05884195d	Add environment errors to the mix.	2018-05-07 16:06:04 -04:00
Rob Rix	de1a8e1164	Clean up a redundant pure.	2018-05-07 16:05:55 -04:00
Rob Rix	b589d4f7d0	Define a FreeVariables instance for Term.	2018-05-07 16:05:27 -04:00
Rob Rix	ca778fd76e	We don’t need to constrain the term type any more.	2018-05-07 15:25:05 -04:00
Rob Rix	28eec7a7ec	Lift TermEvaluators to Subterm evaluators.	2018-05-07 15:19:57 -04:00
Rob Rix	a4e823681f	Define a TermEvaluator synonym.	2018-05-07 15:19:36 -04:00
Rob Rix	3b4b953506	Run evaluators in IO.	2018-05-07 15:13:01 -04:00
Rob Rix	1bd817bc76	Test that we can construct integers.	2018-05-07 15:10:41 -04:00
Rob Rix	980fd74aed	Define an evaluator helper.	2018-05-07 15:10:11 -04:00
Rob Rix	47d48d695e	Add types for terms, values, and the effects for evaluating terms.	2018-05-07 15:09:50 -04:00
Rob Rix	c427be3670	Stub in a spec for Evaluator.	2018-05-07 14:21:05 -04:00