diff options
Diffstat (limited to 'src/go/types/predicates.go')
| -rw-r--r-- | src/go/types/predicates.go | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/src/go/types/predicates.go b/src/go/types/predicates.go index 41e0c25d6b..caf72c2f2e 100644 --- a/src/go/types/predicates.go +++ b/src/go/types/predicates.go @@ -96,19 +96,6 @@ func comparable(T Type, seen map[Type]bool) bool { } seen[T] = true - // If T is a type parameter not constrained by any type - // (i.e., it's operational type is the top type), - // T is comparable if it has the == method. Otherwise, - // the operational type "wins". For instance - // - // interface{ comparable; type []byte } - // - // is not comparable because []byte is not comparable. - // TODO(gri) this code is not 100% correct (see comment for TypeSet.IsComparable) - if t := asTypeParam(T); t != nil && optype(t) == theTop { - return t.Bound().IsComparable() - } - switch t := under(T).(type) { case *Basic: // assume invalid types to be comparable @@ -126,9 +113,7 @@ func comparable(T Type, seen map[Type]bool) bool { case *Array: return comparable(t.elem, seen) case *TypeParam: - return t.underIs(func(t Type) bool { - return comparable(t, seen) - }) + return t.Bound().IsComparable() } return false } |