[dev.typeparams] test: rename blank functions

This CL renames blank functions in the test/ directory so that they
don't rely on the compiler doing anything more than typechecking them.

In particular, I ran this search to find files that used blank
functions and methods:

$ git grep -l '^func.*\b_(' | xargs grep -n '^' | grep '\.go:1:' | grep -v '// errorcheck$'

I then skipped updating a few files:

* blank.go
* fixedbugs/issue11699.go
* fixedbugs/issue29870.go

  These tests specifically check that blank functions/methods work.

* interface/fail.go

  Not sure the motivation for the blank method here, but it's empty
  anyway.

* typeparam/tparam1.go

  Type-checking test, but uses "-G" (to use types2 instead of typecheck).

Updates #47446.

Change-Id: I9ec1714f499808768bd0dcd7ae6016fb2b078e5e
Reviewed-on: https://go-review.googlesource.com/c/go/+/338094
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>

2 files changed, 8 insertions, 8 deletions

diff --git a/test/typeparam/issue45547.go b/test/typeparam/issue45547.go
index 0a08d66b70..b354d4d7f6 100644
--- a/test/typeparam/issue45547.go
+++ b/test/typeparam/issue45547.go
@@ -11,7 +11,7 @@ func f[T any]() (f, g T) { return f, g }
 // Tests for generic function instantiation on the right hande side of multi-value
 // assignments.
 
-func _() {
+func g() {
 	// Multi-value assignment within a function
 	var _, _ = f[int]()
 }
diff --git a/test/typeparam/typelist.go b/test/typeparam/typelist.go
index 3d035bf457..a68ae1b5cd 100644
--- a/test/typeparam/typelist.go
+++ b/test/typeparam/typelist.go
@@ -69,14 +69,14 @@ func _[V any, T interface{ type map[string]V }](p T) V {
 // Cannot embed stand-alone type parameters. Disabled for now.
 /*
 func f0[A any, B interface{type C}, C interface{type D}, D interface{type A}](A, B, C, D)
-func _() {
+func f0x() {
         f := f0[string]
         f("a", "b", "c", "d")
         f0("a", "b", "c", "d")
 }
 
 func f1[A any, B interface{type A}](A, B)
-func _() {
+func f1x() {
         f := f1[int]
         f(int(0), int(0))
         f1(int(0), int(0))
@@ -86,7 +86,7 @@ func _() {
 */
 
 func f2[A any, B interface{ type []A }](_ A, _ B)
-func _() {
+func f2x() {
 	f := f2[byte]
 	f(byte(0), []byte{})
 	f2(byte(0), []byte{})
@@ -97,7 +97,7 @@ func _() {
 // Cannot embed stand-alone type parameters. Disabled for now.
 /*
 func f3[A any, B interface{type C}, C interface{type *A}](a A, _ B, c C)
-func _() {
+func f3x() {
 	f := f3[int]
 	var x int
 	f(x, &x, &x)
@@ -106,7 +106,7 @@ func _() {
 */
 
 func f4[A any, B interface{ type []C }, C interface{ type *A }](_ A, _ B, c C)
-func _() {
+func f4x() {
 	f := f4[int]
 	var x int
 	f(x, []*int{}, &x)
@@ -119,14 +119,14 @@ func f5[A interface {
 		c C
 	}
 }, B any, C interface{ type *B }](x B) A
-func _() {
+func f5x() {
 	x := f5(1.2)
 	var _ float64 = x.b
 	var _ float64 = *x.c
 }
 
 func f6[A any, B interface{ type struct{ f []A } }](B) A
-func _() {
+func f6x() {
 	x := f6(struct{ f []string }{})
 	var _ string = x
 }