//golangcitest:config_path testdata/gofmt.yml package testdata /* #include #include void myprint(char* s) { printf("%d\n", s); } */ import "C" import ( "fmt" "unsafe" ) func _() { cs := C.CString("Hello from stdio\n") C.myprint(cs) C.free(unsafe.Pointer(cs)) } func GofmtNotSimplified() { var x []string fmt.Print(x[1:len(x)]) // want "File is not properly formatted" }