snapshot of https://github.com/mattermost/mattermost.git (master, 2026-09-16; blobs > 131072B omitted)

tools/mattermost-govet/emptyInterface/testdata/src/a/a.go

@@ -0,0 +1,77 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package a
+
+// Valid: using any instead of interface{}
+func validUsingAny() {
+	var x any
+	x = 42
+	x = "hello"
+	_ = x
+}
+
+func acceptAny(val any) {}
+
+func returnAny() any {
+	return 42
+}
+
+type ValidStruct struct {
+	Field any
+}
+
+// Invalid: using interface{}
+func invalidUsingInterface() {
+	var x interface{} // want "using 'interface\\{\\}', please replace it with 'any'."
+	x = 42
+	_ = x
+}
+
+func acceptInterface(val interface{}) {} // want "using 'interface\\{\\}', please replace it with 'any'."
+
+func returnInterface() interface{} { // want "using 'interface\\{\\}', please replace it with 'any'."
+	return 42
+}
+
+type InvalidStruct struct {
+	Field interface{} // want "using 'interface\\{\\}', please replace it with 'any'."
+}
+
+// Invalid: multiple empty interfaces
+type MultipleEmptyInterfaces struct {
+	Field1 interface{} // want "using 'interface\\{\\}', please replace it with 'any'."
+	Field2 interface{} // want "using 'interface\\{\\}', please replace it with 'any'."
+	Field3 any         // Valid
+}
+
+func multipleParams(a interface{}, b interface{}, c any) {} // want "using 'interface\\{\\}', please replace it with 'any'." "using 'interface\\{\\}', please replace it with 'any'."
+
+// Valid: non-empty interfaces
+type Reader interface {
+	Read(p []byte) (n int, err error)
+}
+
+type Writer interface {
+	Write(p []byte) (n int, err error)
+}
+
+func acceptReader(r Reader) {}
+
+// Invalid: map with interface{} values
+var invalidMap = map[string]interface{}{} // want "using 'interface\\{\\}', please replace it with 'any'."
+
+// Valid: map with any values
+var validMap = map[string]any{}
+
+// Invalid: slice of interface{}
+var invalidSlice []interface{} // want "using 'interface\\{\\}', please replace it with 'any'."
+
+// Valid: slice of any
+var validSlice []any
+
+// Invalid: channel of interface{}
+var invalidChan chan interface{} // want "using 'interface\\{\\}', please replace it with 'any'."
+
+// Valid: channel of any
+var validChan chan any