From bacb85ecd958bbf4ca013d900dd33562e7102f56 Mon Sep 17 00:00:00 2001
From: Mikail Bagishov <bagishov.mikail@yandex.ru>
Date: Wed, 16 Oct 2019 20:04:11 +0300
Subject: Implement Signal::as_str()

---
 src/sys/signal.rs | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/sys/signal.rs b/src/sys/signal.rs
index 1224888e..b746b3d4 100644
--- a/src/sys/signal.rs
+++ b/src/sys/signal.rs
@@ -112,9 +112,14 @@ impl FromStr for Signal {
     }
 }
 
-impl AsRef<str> for Signal {
-    fn as_ref(&self) -> &str {
-        match *self {
+impl Signal {
+    /// Returns name of signal.
+    ///
+    /// This function is equivalent to `<Signal as AsRef<str>>::as_ref()`,
+    /// with difference that returned string is `'static`
+    /// and not bound to `self`'s lifetime.
+    pub fn as_str(self) -> &'static str {
+        match self {
             Signal::SIGHUP => "SIGHUP",
             Signal::SIGINT => "SIGINT",
             Signal::SIGQUIT => "SIGQUIT",
@@ -157,6 +162,12 @@ impl AsRef<str> for Signal {
     }
 }
 
+impl AsRef<str> for Signal {
+    fn as_ref(&self) -> &str {
+        self.as_str()
+    }
+}
+
 impl fmt::Display for Signal {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         f.write_str(self.as_ref())
-- 
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