fix more clippy::style findings

[rust.git] / compiler / rustc_span / src / lib.rs

diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs
index 5525eb5331c2776c82374222c7a47b32d7744573..2181c090027b535819aec1eb8afeb1851c0f4841 100644 (file)
--- a/compiler/rustc_span/src/lib.rs
+++ b/compiler/rustc_span/src/lib.rs
@@ -259,6 +259,10 @@ pub fn to_string_lossy(&self, display_pref: FileNameDisplayPreference) -> Cow<'_
             FileNameDisplayPreference::Remapped => {
                 self.remapped_path_if_available().to_string_lossy()
             }
+            FileNameDisplayPreference::Short => self
+                .local_path_if_available()
+                .file_name()
+                .map_or_else(|| "".into(), |f| f.to_string_lossy()),
         }
     }
 }
@@ -302,6 +306,9 @@ pub enum FileNameDisplayPreference {
     /// Display the path before the application of rewrite rules provided via `--remap-path-prefix`.
     /// This is appropriate for use in user-facing output (such as diagnostics).
     Local,
+    /// Display only the filename, as a way to reduce the verbosity of the output.
+    /// This is appropriate for use in user-facing output (such as diagnostics).
+    Short,
 }
 
 pub struct FileNameDisplay<'a> {