From 5f46631dad741620c0eeb5145a83eaabc49313c5 Mon Sep 17 00:00:00 2001
From: Otavio Salvador <otavio@ossystems.com.br>
Date: Wed, 28 Aug 2019 17:56:51 -0300
Subject: [PATCH] Improve `from_anything` definition using where clause

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
---
 src/unistd.rs | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/unistd.rs b/src/unistd.rs
index 7381dc3612..4cd1d60a46 100644
--- a/src/unistd.rs
+++ b/src/unistd.rs
@@ -2459,11 +2459,12 @@ impl From<&libc::passwd> for User {
 }
 
 impl User {
-    fn from_anything(f: impl Fn(*mut libc::passwd,
-                                *mut libc::c_char,
-                                libc::size_t,
-                                *mut *mut libc::passwd) -> libc::c_int)
-       -> Result<Option<Self>>
+    fn from_anything<F>(f: F) -> Result<Option<Self>>
+    where
+        F: Fn(*mut libc::passwd,
+              *mut libc::c_char,
+              libc::size_t,
+              *mut *mut libc::passwd) -> libc::c_int
     {
         let bufsize = match sysconf(SysconfVar::GETPW_R_SIZE_MAX) {
             Ok(Some(n)) => n as usize,