var MustExtractDoc = analysisinternal.MustExtractDoc
func HasSideEffects(info *types.Info, e ast.Expr) bool
HasSideEffects reports whether evaluation of e has side effects.
func LineStart(f *token.File, line int) token.Pos
LineStart returns the position of the start of the specified line within file f, or NoPos if there is no line of that number.
func ReadFile(pass *analysis.Pass, filename string) ([]byte, *token.File, error)
ReadFile reads a file and adds it to the FileSet so that we can report errors against it using lineStart.