//go:build go1.22 //golangcitest:args -Ecopyloopvar package testdata import "fmt" func copyloopvarCase1() { slice := []int{1, 2, 3} fns := make([]func(), 0, len(slice)*2) for i, v := range slice { i := i // want `The copy of the 'for' variable "i" can be deleted \(Go 1\.22\+\)` fns = append(fns, func() { fmt.Println(i) }) v := v // want `The copy of the 'for' variable "v" can be deleted \(Go 1\.22\+\)` fns = append(fns, func() { fmt.Println(v) }) _v := v // want `The copy of the 'for' variable "v" can be deleted \(Go 1\.22\+\)` _ = _v } for _, fn := range fns { fn() } } func copyloopvarCase2() { loopCount := 3 fns := make([]func(), 0, loopCount) for i := 1; i <= loopCount; i++ { i := i // want `The copy of the 'for' variable "i" can be deleted \(Go 1\.22\+\)` fns = append(fns, func() { fmt.Println(i) }) } for _, fn := range fns { fn() } }