Robert Griesemer f50f6c858a go.tools/go/types: nil is not a constant + misc. cleanups ... - removed support for nil constants from go/exact - instead define a singleton Nil Object (the nil _value_) - in assignments, follow more closely spec wording (pending spec CL 14415043) - removed use of goto in checker.unary - cleanup around handling of isRepresentable for constants, with better error messages - fix missing checks in checker.convertUntyped - added isTyped (== !isUntyped) and isInterface predicates - fixed hasNil predicate: unsafe.Pointer also has nil - adjusted ssa per adonovan - implememted types.Implements (wrapper arounfd types.MissingMethod) - use types.Implements in vet (and fix a bug) R=adonovan, r CC=golang-dev https://golang.org/cl/14438052		2013-10-09 14:17:25 -07:00
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exact.go	go.tools/go/types: nil is not a constant + misc. cleanups	2013-10-09 14:17:25 -07:00
exact_test.go	go.tools/go/types: nil is not a constant + misc. cleanups	2013-10-09 14:17:25 -07:00