More cleanups / module docs

[rust.git] / crates / hir_ty / src / display.rs

diff --git a/crates/hir_ty/src/display.rs b/crates/hir_ty/src/display.rs
index ae3a82780888a8a5d75775770301de5c5279acbe..e7c9dabc222887858465ad21a5ca4ba4751882ca 100644 (file)
--- a/crates/hir_ty/src/display.rs
+++ b/crates/hir_ty/src/display.rs
@@ -1,4 +1,6 @@
-//! FIXME: write short doc here
+//! The `HirDisplay` trait, which serves two purposes: Turning various bits from
+//! HIR back into source code, and just displaying them for debugging/testing
+//! purposes.
 
 use std::{
     array,