Leonardo de Moura 59914a36f3 refactor(metavar): reorganize and simplify metavariables ... - Use hierarchical names instead of unsigned integers to identify metavariables. - Associate type with metavariable. - Replace metavar_env with substitution. - Rename meta_ctx --> local_ctx - Rename meta_entry --> local_entry - Disable old elaborator - Rename unification_problems to unification_constraints - Add metavar_generator - Fix metavar unit tests - Modify type checker to use metavar_generator - Fix placeholder module Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>		2013-10-22 08:15:36 -07:00
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lean	refactor(metavar): reorganize and simplify metavariables	2013-10-22 08:15:36 -07:00