From 8e0014d5079fc1b5d0036965b8fa452038a79e11 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Mon, 16 May 2016 23:51:13 +0200
Subject: [PATCH 1/3] Add IntoError trait to convert Error kinds into Error
 instances

---
 libimagerror/src/into.rs | 14 ++++++++++++++
 libimagerror/src/lib.rs  |  1 +
 2 files changed, 15 insertions(+)
 create mode 100644 libimagerror/src/into.rs

diff --git a/libimagerror/src/into.rs b/libimagerror/src/into.rs
new file mode 100644
index 00000000..a959abd4
--- /dev/null
+++ b/libimagerror/src/into.rs
@@ -0,0 +1,14 @@
+use std::error::Error;
+
+/// Trait to help converting Error kinds into Error instances
+pub trait IntoError {
+    type Target: Error;
+
+    /// Convert the type into an error with no cause
+    fn into_error(self) -> Self::Target;
+
+    /// Convert the type into an error with cause
+    fn into_error_with_cause(self, cause: Box<Error>) -> Self::Target;
+
+}
+
diff --git a/libimagerror/src/lib.rs b/libimagerror/src/lib.rs
index d7f374a7..1d1f75e2 100644
--- a/libimagerror/src/lib.rs
+++ b/libimagerror/src/lib.rs
@@ -1,5 +1,6 @@
 #[macro_use] extern crate log;
 extern crate ansi_term;
 
+pub mod into;
 pub mod error_gen;
 pub mod trace;

From 3845f28dad3e94166dbcc4658f14e6465c558d5a Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Mon, 16 May 2016 23:51:26 +0200
Subject: [PATCH 2/3] Implement IntoError for all generated Errors
 automatically

---
 libimagerror/src/error_gen.rs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/libimagerror/src/error_gen.rs b/libimagerror/src/error_gen.rs
index 2f22078a..f54334e4 100644
--- a/libimagerror/src/error_gen.rs
+++ b/libimagerror/src/error_gen.rs
@@ -1,3 +1,5 @@
+use into::IntoError;
+
 #[macro_export]
 macro_rules! generate_error_imports {
     () => {
@@ -41,6 +43,19 @@ macro_rules! generate_error_types {
 
         }
 
+        impl IntoError for $kindname {
+            type Target = $name;
+
+            fn into_error(self) -> Self::Target {
+                $name::new(self, None)
+            }
+
+            fn into_error_with_cause(self, cause: Box<Error>) -> Self::Target {
+                $name::new(self, Some(cause))
+            }
+
+        }
+
         #[derive(Debug)]
         pub struct $name {
             err_type: $kindname,

From 972d313ed545df6ce1d8f8f2d949791b9da70903 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Fri, 20 May 2016 17:11:51 +0200
Subject: [PATCH 3/3] Import IntoError trait

---
 libimagerror/src/error_gen.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libimagerror/src/error_gen.rs b/libimagerror/src/error_gen.rs
index f54334e4..e88da514 100644
--- a/libimagerror/src/error_gen.rs
+++ b/libimagerror/src/error_gen.rs
@@ -6,6 +6,8 @@ macro_rules! generate_error_imports {
         use std::error::Error;
         use std::fmt::Error as FmtError;
         use std::fmt::{Display, Formatter};
+
+        use $crate::into::IntoError;
     }
 }