From b62382bf0c4cfb7cbce44fb1585fc077c7c1cb18 Mon Sep 17 00:00:00 2001
From: Daniel Collin <daniel@collin.com>
Date: Sun, 21 Jul 2019 10:37:47 +0200
Subject: [PATCH] Fixed some compiler warnings

---
 src/error.rs       | 2 +-
 src/key_handler.rs | 4 ++--
 src/lib.rs         | 4 ++--
 src/os/unix/mod.rs | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/error.rs b/src/error.rs
index 5d7d836..d1170fc 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -25,7 +25,7 @@ impl StdError for Error {
         }
     }
 
-    fn cause(&self) -> Option<&StdError> {
+    fn cause(&self) -> Option<&dyn StdError> {
         match *self {
             Error::MenusNotSupported => None,
             Error::MenuExists(_) => None,
diff --git a/src/key_handler.rs b/src/key_handler.rs
index 0a593bf..aa7690e 100644
--- a/src/key_handler.rs
+++ b/src/key_handler.rs
@@ -4,7 +4,7 @@ use std::mem;
 use {Key, KeyRepeat, InputCallback};
 
 pub struct KeyHandler {
-    pub key_callback: Option<Box<InputCallback>>,
+    pub key_callback: Option<Box<dyn InputCallback>>,
     prev_time: f64,
     delta_time: f32,
     keys: [bool; 512],
@@ -70,7 +70,7 @@ impl KeyHandler {
         }
     }
 
-    pub fn set_input_callback(&mut self, callback: Box<InputCallback>) {
+    pub fn set_input_callback(&mut self, callback: Box<dyn InputCallback>) {
         self.key_callback = Some(callback);
     }
 
diff --git a/src/lib.rs b/src/lib.rs
index cf6db74..04ed75f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -464,7 +464,7 @@ impl Window {
 
     ///
     /// Check if a single key was released since last call to update.
-    /// 
+    ///
     #[inline]
     pub fn is_key_released(&self, key: Key) -> bool {
         self.0.is_key_released(key)
@@ -512,7 +512,7 @@ impl Window {
     /// Set input callback to recive callback on char input
     ///
     #[inline]
-    pub fn set_input_callback(&mut self, callback: Box<InputCallback>)  {
+    pub fn set_input_callback(&mut self, callback: Box<dyn InputCallback>)  {
         self.0.set_input_callback(callback)
     }
 
diff --git a/src/os/unix/mod.rs b/src/os/unix/mod.rs
index 2e0b42a..87171a9 100644
--- a/src/os/unix/mod.rs
+++ b/src/os/unix/mod.rs
@@ -534,7 +534,7 @@ impl Window {
     }
 
     #[inline]
-    pub fn set_input_callback(&mut self, callback: Box<InputCallback>) {
+    pub fn set_input_callback(&mut self, callback: Box<dyn InputCallback>) {
         self.key_handler.set_input_callback(callback)
     }