From db162df264a222021dbc7f1f93af94029f3948d9 Mon Sep 17 00:00:00 2001
From: Edwin Cheng <edwin0cheng@gmail.com>
Date: Fri, 27 Mar 2020 00:41:44 +0800
Subject: Remove deps on tt_mbe

---
 crates/ra_mbe/src/lib.rs | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'crates/ra_mbe/src')

diff --git a/crates/ra_mbe/src/lib.rs b/crates/ra_mbe/src/lib.rs
index 6a9037bfc..535b7daa0 100644
--- a/crates/ra_mbe/src/lib.rs
+++ b/crates/ra_mbe/src/lib.rs
@@ -28,6 +28,13 @@ pub enum ExpandError {
     BindingError(String),
     ConversionError,
     InvalidRepeat,
+    ProcMacroError(tt::ExpansionError),
+}
+
+impl From<tt::ExpansionError> for ExpandError {
+    fn from(it: tt::ExpansionError) -> Self {
+        ExpandError::ProcMacroError(it)
+    }
 }
 
 pub use crate::syntax_bridge::{
-- 
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