Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir_def/src/macro_expansion_tests/mbe/tt_conversion.rs')
-rw-r--r--crates/hir_def/src/macro_expansion_tests/mbe/tt_conversion.rs5
1 files changed, 5 insertions, 0 deletions
diff --git a/crates/hir_def/src/macro_expansion_tests/mbe/tt_conversion.rs b/crates/hir_def/src/macro_expansion_tests/mbe/tt_conversion.rs
index d445d7a2c6..a24fe9bee2 100644
--- a/crates/hir_def/src/macro_expansion_tests/mbe/tt_conversion.rs
+++ b/crates/hir_def/src/macro_expansion_tests/mbe/tt_conversion.rs
@@ -1,3 +1,8 @@
+//! Unlike rustc, rust-analyzer's syntax tree are not "made of" token trees.
+//! Rather, token trees are an explicit bridge between the parser and
+//! (procedural or declarative) macros.
+//!
+//! This module tests tt <-> syntax tree conversion specifically
use expect_test::expect;
use crate::macro_expansion_tests::check;