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Misc doc updates

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This commit is contained in:
Eduardo Broto 2020-09-06 23:57:24 +02:00
parent 332c2dcb4d
commit c86a7e5f38
2 changed files with 10 additions and 1 deletions
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9
clippy_lints/src/utils/diagnostics.rs
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@ -51,6 +51,8 @@ pub fn span_lint<T: LintContext>(cx: &T, lint: &'static Lint, sp: impl Into<Mult
///
/// The `help` message can be optionally attached to a `Span`.
///
/// If you change the signature, remember to update the internal lint `CollapsibleCalls`
///
/// # Example
///
/// ```ignore
@ -87,6 +89,8 @@ pub fn span_lint_and_help<'a, T: LintContext>(
/// The `note` message is presented separately from the main lint message
/// and is attached to a specific span:
///
/// If you change the signature, remember to update the internal lint `CollapsibleCalls`
///
/// # Example
///
/// ```ignore
@ -126,6 +130,7 @@ pub fn span_lint_and_note<'a, T: LintContext>(
/// Like `span_lint` but allows to add notes, help and suggestions using a closure.
///
/// If you need to customize your lint output a lot, use this function.
/// If you change the signature, remember to update the internal lint `CollapsibleCalls`
pub fn span_lint_and_then<'a, T: LintContext, F>(cx: &'a T, lint: &'static Lint, sp: Span, msg: &str, f: F)
where
F: for<'b> FnOnce(&mut DiagnosticBuilder<'b>),
@ -168,6 +173,10 @@ pub fn span_lint_hir_and_then(
/// In the example below, `help` is `"try"` and `sugg` is the suggested replacement `".any(|x| x >
/// 2)"`.
///
/// If you change the signature, remember to update the internal lint `CollapsibleCalls`
///
/// # Example
///
/// ```ignore
/// error: This `.fold` can be more succinctly expressed as `.any`
/// --> $DIR/methods.rs:390:13

2
doc/common_tools_writing_lints.md
View file

@ -60,7 +60,7 @@ impl LateLintPass<'_> for MyStructLint {
fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) {
if_chain! {
// Check our expr is calling a method
if let hir::ExprKind::MethodCall(path, _, _args) = &expr.kind;
if let hir::ExprKind::MethodCall(path, _, _args, _) = &expr.kind;
// Check the name of this method is `some_method`
if path.ident.name == sym!(some_method);
then {