Leonardo de Moura e4b3dee526 feat(library/simplify): use custom matcher in the simplifier, and remove hack from type_context ... @joehendrix This commit is implementing the matcher that postpones implicit arguments. The lemma get_data_mk_byte can be proved without using any hacks in the type_context unifier. I also added the trace class: simplify.implicit_failure If we use the command set_option trace.simplify.implicit_failure true Then, the simplifier will generate a diagnostic message every time it succeeds in the explicit part, but fails in the implicit one. Please feel free to suggest a better name to his option. BTW, we can now easily extend the matcher with additional features. I'm wondering if we will eventually want to write some of these extensions in Lean.		2017-02-08 22:24:13 -08:00
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lean	feat(library/simplify): use custom matcher in the simplifier, and remove hack from type_context	2017-02-08 22:24:13 -08:00
.gitignore	refactor(gitignore): remove old ignore entries	2016-12-10 08:42:39 -08:00