Merge pull request #2519 from jfinkels/pathchk-remove-double-negation

pathchk: remove double negation

src/uu/pathchk/src/pathchk.rs

@@ -170,7 +170,7 @@ fn check_basic(path: &[String]) -> bool {
 fn check_extra(path: &[String]) -> bool {
     // components: leading hyphens
     for p in path {
-        if !no_leading_hyphen(p) {
+        if p.starts_with('-') {
             writeln!(
                 &mut std::io::stderr(),
                 "leading hyphen in file name component '{}'",
@@ -236,11 +236,6 @@ fn check_searchable(path: &str) -> bool {
     }
 }
 
-// check for a hyphen at the beginning of a path segment
-fn no_leading_hyphen(path_segment: &str) -> bool {
-    !path_segment.starts_with('-')
-}
-
 // check whether a path segment contains only valid (read: portable) characters
 fn check_portable_chars(path_segment: &str) -> bool {
     const VALID_CHARS: &[u8] = b"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789._-";