1 files changed, 12 insertions, 0 deletions

diff --git a/crates/ide/src/prime_caches.rs b/crates/ide/src/prime_caches.rs
new file mode 100644
index 000000000..c5ab5a1d8
--- /dev/null
+++ b/crates/ide/src/prime_caches.rs
@@ -0,0 +1,12 @@
+//! rust-analyzer is lazy and doesn't not compute anything unless asked. This
+//! sometimes is counter productive when, for example, the first goto definition
+//! request takes longer to compute. This modules implemented prepopulating of
+//! various caches, it's not really advanced at the moment.
+
+use crate::{FileId, RootDatabase};
+
+pub(crate) fn prime_caches(db: &RootDatabase, files: Vec<FileId>) {
+    for file in files {
+        let _ = crate::syntax_highlighting::highlight(db, file, None, false);
+    }
+}