internal/typeparams: run go generate

Change-Id: I732afe9ff8c4451ead84cd1a429ccd47b781938e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/520176
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
gopls-CI: kokoro <noreply+kokoro@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
diff --git a/internal/typeparams/termlist.go b/internal/typeparams/termlist.go
index 933106a..cbd12f8 100644
--- a/internal/typeparams/termlist.go
+++ b/internal/typeparams/termlist.go
@@ -30,7 +30,7 @@
 	var buf bytes.Buffer
 	for i, x := range xl {
 		if i > 0 {
-			buf.WriteString(" ∪ ")
+			buf.WriteString(" | ")
 		}
 		buf.WriteString(x.String())
 	}
diff --git a/internal/typeparams/typeterm.go b/internal/typeparams/typeterm.go
index 7ddee28..7350bb7 100644
--- a/internal/typeparams/typeterm.go
+++ b/internal/typeparams/typeterm.go
@@ -10,11 +10,10 @@
 
 // A term describes elementary type sets:
 //
-//   ∅:  (*term)(nil)     == ∅                      // set of no types (empty set)
-//   𝓤:  &term{}          == 𝓤                      // set of all types (𝓤niverse)
-//   T:  &term{false, T}  == {T}                    // set of type T
-//  ~t:  &term{true, t}   == {t' | under(t') == t}  // set of types with underlying type t
-//
+//	 ∅:  (*term)(nil)     == ∅                      // set of no types (empty set)
+//	 𝓤:  &term{}          == 𝓤                      // set of all types (𝓤niverse)
+//	 T:  &term{false, T}  == {T}                    // set of type T
+//	~t:  &term{true, t}   == {t' | under(t') == t}  // set of types with underlying type t
 type term struct {
 	tilde bool // valid if typ != nil
 	typ   types.Type