chore: add support for gofmt (#4054)

Author: remyleone

.golangci.yml

@@ -17,6 +17,7 @@ linters:
     - durationcheck # check for two durations multiplied together [fast: false, auto-fix: false]
     - errcheck # Errcheck is a program for checking for unchecked errors in go programs. These unchecked errors can be critical bugs in some cases [fast: false, auto-fix: false]
     - goconst # Finds repeated strings that could be replaced by a constant [fast: true, auto-fix: false]
+    - gofmt # Gofmt checks whether code was gofmt-ed. By default this tool runs with -s option to check for code simplification [fast: true, auto-fix: true]
     - goimports # In addition to fixing imports, goimports also formats your code in the same style as gofmt. [fast: true, auto-fix: true]
     - gomodguard # Allow and block list linter for direct Go module dependencies. This is different from depguard where there are different block types for example version constraints and module recommendations. [fast: true, auto-fix: false]
     - goprintffuncname # Checks that printf-like functions are named with `f` at the end [fast: true, auto-fix: false]

internal/gofields/gofields_test.go

@@ -67,7 +67,7 @@ func TestGetValue(t *testing.T) {
 			},
 		},
 		Pets: map[string]*Pet{
-			"rex": &Pet{
+			"rex": {
 				Animal: Animal{
 					Species: "dog",
 				},