diff options
Diffstat (limited to 'src/cmd/compile/internal/types/identity.go')
| -rw-r--r-- | src/cmd/compile/internal/types/identity.go | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/cmd/compile/internal/types/identity.go b/src/cmd/compile/internal/types/identity.go index dc39acced8..2e9e2f4fd8 100644 --- a/src/cmd/compile/internal/types/identity.go +++ b/src/cmd/compile/internal/types/identity.go @@ -4,8 +4,11 @@ package types -// Identical reports whether t1 and t2 are identical types, following -// the spec rules. Receiver parameter types are ignored. +// Identical reports whether t1 and t2 are identical types, following the spec rules. +// Receiver parameter types are ignored. Named (defined) types are only equal if they +// are pointer-equal - i.e. there must be a unique types.Type for each specific named +// type. Also, a type containing a shape type is considered identical to another type +// (shape or not) if their underlying types are the same, or they are both pointers. func Identical(t1, t2 *Type) bool { return identical(t1, t2, true, nil) } |