From 7110f471d305313b0ef12f66c2db3acc3c822851 Mon Sep 17 00:00:00 2001 From: cookie-s Date: Sun, 26 May 2024 22:39:23 -0400 Subject: [PATCH] [`many_single_char_names`]: Deduplicate diagnostics --- clippy_lints/src/non_expressive_names.rs | 4 ++++ tests/ui/many_single_char_names.rs | 2 -- tests/ui/many_single_char_names.stderr | 10 +++++----- 3 files changed, 9 insertions(+), 7 deletions(-) diff --git a/clippy_lints/src/non_expressive_names.rs b/clippy_lints/src/non_expressive_names.rs index 7b26235291a56..eacfe9ff328df 100644 --- a/clippy_lints/src/non_expressive_names.rs +++ b/clippy_lints/src/non_expressive_names.rs @@ -98,6 +98,10 @@ struct SimilarNamesLocalVisitor<'a, 'tcx> { impl<'a, 'tcx> SimilarNamesLocalVisitor<'a, 'tcx> { fn check_single_char_names(&self) { + if self.single_char_names.last().map(Vec::len) == Some(0) { + return; + } + let num_single_char_names = self.single_char_names.iter().flatten().count(); let threshold = self.lint.single_char_binding_names_threshold; if num_single_char_names as u64 > threshold { diff --git a/tests/ui/many_single_char_names.rs b/tests/ui/many_single_char_names.rs index 2af45eaab8af4..68578340d90e1 100644 --- a/tests/ui/many_single_char_names.rs +++ b/tests/ui/many_single_char_names.rs @@ -1,5 +1,3 @@ -//@compile-flags: -Zdeduplicate-diagnostics=yes - #![allow(clippy::too_many_arguments, clippy::diverging_sub_expression)] #![warn(clippy::many_single_char_names)] diff --git a/tests/ui/many_single_char_names.stderr b/tests/ui/many_single_char_names.stderr index 3b2460b5c077e..131836ef7c882 100644 --- a/tests/ui/many_single_char_names.stderr +++ b/tests/ui/many_single_char_names.stderr @@ -1,5 +1,5 @@ error: 5 bindings with single-character names in scope - --> tests/ui/many_single_char_names.rs:7:9 + --> tests/ui/many_single_char_names.rs:5:9 | LL | let a: i32; | ^ @@ -14,7 +14,7 @@ LL | let e: i32; = help: to override `-D warnings` add `#[allow(clippy::many_single_char_names)]` error: 6 bindings with single-character names in scope - --> tests/ui/many_single_char_names.rs:7:9 + --> tests/ui/many_single_char_names.rs:5:9 | LL | let a: i32; | ^ @@ -28,7 +28,7 @@ LL | let f: i32; | ^ error: 5 bindings with single-character names in scope - --> tests/ui/many_single_char_names.rs:7:9 + --> tests/ui/many_single_char_names.rs:5:9 | LL | let a: i32; | ^ @@ -40,13 +40,13 @@ LL | e => panic!(), | ^ error: 8 bindings with single-character names in scope - --> tests/ui/many_single_char_names.rs:36:13 + --> tests/ui/many_single_char_names.rs:34:13 | LL | fn bindings(a: i32, b: i32, c: i32, d: i32, e: i32, f: i32, g: i32, h: i32) {} | ^ ^ ^ ^ ^ ^ ^ ^ error: 8 bindings with single-character names in scope - --> tests/ui/many_single_char_names.rs:40:10 + --> tests/ui/many_single_char_names.rs:38:10 | LL | let (a, b, c, d, e, f, g, h): (bool, bool, bool, bool, bool, bool, bool, bool) = unimplemented!(); | ^ ^ ^ ^ ^ ^ ^ ^