Function clippy_lints::utils::span_lint_and_then

pub fn span_lint_and_then<'a, 'tcx: 'a, T: LintContext<'tcx>, F>(cx: &'a T,
                                                                 lint: &'static Lint,
                                                                 sp: Span,
                                                                 msg: &str,
                                                                 f: F) where F: for<'b> FnOnce(&mut DiagnosticBuilder<'b>)