//args: -Eerrcheck //config: linters-settings.errcheck.check-blank=true //config: linters-settings.errcheck.exclude=testdata/errcheck/exclude.txt package testdata import ( "io/ioutil" ) func TestErrcheckExclude() []byte { ret, _ := ioutil.ReadFile("f.txt") return ret } func TestErrcheckNoExclude() []byte { ret, _ := ioutil.ReadAll(nil) // ERROR "Error return value of `ioutil.ReadAll` is not checked" return ret }