diff options
| -rw-r--r-- | clippy_utils/src/lib.rs | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs index 73c1bdd0e3f..ebe1b52df9e 100644 --- a/clippy_utils/src/lib.rs +++ b/clippy_utils/src/lib.rs @@ -1539,9 +1539,13 @@ pub fn is_try<'tcx>(cx: &LateContext<'_>, expr: &'tcx Expr<'tcx>) -> Option<&'tc None } -/// Returns `true` if the lint is allowed in the current context +/// Returns `true` if the lint is allowed in the current context. This is useful for +/// skipping long running code when it's unnecessary /// -/// Useful for skipping long running code when it's unnecessary +/// This function should check the lint level for the same node, that the lint will +/// be emitted at. If the information is buffered to be emitted at a later point, please +/// make sure to use `span_lint_hir` functions to emit the lint. This ensures that +/// expectations at the checked nodes will be fulfilled. pub fn is_lint_allowed(cx: &LateContext<'_>, lint: &'static Lint, id: HirId) -> bool { cx.tcx.lint_level_at_node(lint, id).0 == Level::Allow } |