go/src/crypto/internal/edwards25519/field/fe_alias_test.go

func checkAliasingOneArg(f func(v, x *Element) *Element) func(v, x Element) bool { … }

func checkAliasingTwoArgs(f func(v, x, y *Element) *Element) func(v, x, y Element) bool { … }

// TestAliasing checks that receivers and arguments can alias each other without
// leading to incorrect results. That is, it ensures that it's safe to write
//
//	v.Invert(v)
//
// or
//
//	v.Add(v, v)
//
// without any of the inputs getting clobbered by the output being written.
func TestAliasing(t *testing.T) { … }