Use more elegant way to check for prelude string

stchris · stchris · commit 422c07ca8804 · 2020-08-21T14:10:49.000+02:00
diff --git a/clippy_lints/src/wildcard_imports.rs b/clippy_lints/src/wildcard_imports.rs
@@ -198,7 +198,7 @@ impl WildcardImports {
 // Allow "...prelude::..::*" imports.
 // Many crates have a prelude, and it is imported as a glob by design.
 fn is_prelude_import(segments: &[PathSegment<'_>]) -> bool {
-    segments.iter().filter(|ps| ps.ident.as_str() == "prelude").count() > 0
+    segments.iter().any(|ps| ps.ident.as_str() == "prelude")
 }
 
 // Allow "super::*" imports in tests.

Original file line number	Diff line number	Diff line change
`@@ -198,7 +198,7 @@ impl WildcardImports {`
`198`	`198`	`// Allow "...prelude::..::*" imports.`
`199`	`199`	`// Many crates have a prelude, and it is imported as a glob by design.`
`200`	`200`	`fn is_prelude_import(segments: &[PathSegment<'_>]) -> bool {`
`201`		`- segments.iter().filter(\|ps\| ps.ident.as_str() == "prelude").count() > 0`
	`201`	`+ segments.iter().any(\|ps\| ps.ident.as_str() == "prelude")`
`202`	`202`	`}`
`203`	`203`
`204`	`204`	`// Allow "super::*" imports in tests.`