Remove `ToStaticStr` trait.

Changes in commit 95d4fba8436417a6c27522ed9b51c19a9fd7c6f9
make the trait unnecessary.  The `ToStr` trait is now sufficient.

2 files changed, 1 insertions, 14 deletions

diff --git a/src/ffi.rs b/src/ffi.rs
index 29b2ea7..1ee940a 100644
--- a/src/ffi.rs
+++ b/src/ffi.rs
@@ -19,7 +19,6 @@ use std::{
 
 use utils::{
     NotmuchType,
-    ToStaticStr,
     ToStr,
 };
 
@@ -70,7 +69,7 @@ impl ToStr for NotmuchStatus {
     fn to_str<'a>(&self) -> Result<&'a str, str::Utf8Error> {
         unsafe {
             notmuch_status_to_string(self.to_notmuch_t())
-        }.to_static_str()
+        }.to_str()
     }
 }
 
diff --git a/src/utils.rs b/src/utils.rs
index ad6cf9b..75a5788 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -35,15 +35,3 @@ impl ToStr for *const libc::c_char {
         }.to_bytes())
     }
 }
-
-pub trait ToStaticStr {
-    fn to_static_str(&self) -> Result<&'static str, str::Utf8Error>;
-}
-
-impl ToStaticStr for *const libc::c_char {
-    fn to_static_str(&self) -> Result<&'static str, str::Utf8Error> {
-        str::from_utf8(unsafe {
-            ffi::CStr::from_ptr(*self)
-        }.to_bytes())
-    }
-}