From 063d19f9d2f89cb73e685adcb9473f986133c22a Mon Sep 17 00:00:00 2001
From: Igor Polyakov <iop_jr@yahoo.com>
Date: Sat, 4 May 2019 21:55:49 -0700
Subject: [PATCH] Made the simple example even simpler since the error as cause
 example already shows chaining

---
 examples/simple.rs | 18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/examples/simple.rs b/examples/simple.rs
index fc39601..014f030 100644
--- a/examples/simple.rs
+++ b/examples/simple.rs
@@ -1,22 +1,10 @@
-#[macro_use]
-extern crate failure;
-
 use failure::Fail;
 
 #[derive(Debug, Fail)]
-#[fail(display = "my error")]
+#[fail(display = "Hello World")]
 struct MyError;
 
-#[derive(Debug, Fail)]
-#[fail(display = "my wrapping error")]
-struct WrappingError(#[fail(cause)] MyError);
-
-fn bad_function() -> Result<(), WrappingError> {
-    Err(WrappingError(MyError))
-}
-
 fn main() {
-    for cause in Fail::iter_chain(&bad_function().unwrap_err()) {
-        println!("{}: {}", cause.name().unwrap_or("Error"), cause);
-    }
+    let err: Result<(), MyError> = Err(MyError);
+    println!("{}", err.unwrap_err());
 }