Avoid premature pessimization

The extra allocation for message should not matter here at all, but
using a static string is just as ergonomic, if not more, and there's
no reason to write deliberately slow code

1 files changed, 2 insertions, 0 deletions

diff --git a/crates/ra_ide/src/change.rs b/crates/ra_ide/src/change.rs
index 45a58690b..18dad2ea3 100644
--- a/crates/ra_ide/src/change.rs
+++ b/crates/ra_ide/src/change.rs
@@ -145,6 +145,8 @@ impl LibraryData {
         root_id: SourceRootId,
         files: Vec<(FileId, RelativePathBuf, Arc<String>)>,
     ) -> LibraryData {
+        let _p = profile("LibraryData::prepare");
+
         #[cfg(not(feature = "wasm"))]
         let iter = files.par_iter();
         #[cfg(feature = "wasm")]