From a83d1743a5a753b69c08760e4182878fce3fca08 Mon Sep 17 00:00:00 2001
From: Edwin Cheng <edwin0cheng@gmail.com>
Date: Fri, 24 Apr 2020 09:27:37 +0800
Subject: Refactor a bit

---
 crates/ra_proc_macro_srv/src/cli.rs | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

(limited to 'crates/ra_proc_macro_srv/src')

diff --git a/crates/ra_proc_macro_srv/src/cli.rs b/crates/ra_proc_macro_srv/src/cli.rs
index ded1bcdbc..7282e5b9b 100644
--- a/crates/ra_proc_macro_srv/src/cli.rs
+++ b/crates/ra_proc_macro_srv/src/cli.rs
@@ -5,14 +5,7 @@ use ra_proc_macro::msg::{self, Message};
 use std::io;
 
 pub fn run() -> io::Result<()> {
-    loop {
-        // bubble up the error for read request,
-        // as the stdin pipe may be closed.
-        let req = match read_request()? {
-            None => continue,
-            Some(req) => req,
-        };
-
+    while let Some(req) = read_request()? {
         let res = match req {
             msg::Request::ListMacro(task) => Ok(msg::Response::ListMacro(list_macros(&task))),
             msg::Request::ExpansionMacro(task) => {
@@ -31,6 +24,8 @@ pub fn run() -> io::Result<()> {
             eprintln!("Write message error: {}", err);
         }
     }
+
+    Ok(())
 }
 
 fn read_request() -> io::Result<Option<msg::Request>> {
-- 
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