cargo-fmt

Author: mitsuhiko

failure_derive/src/lib.rs

@@ -33,27 +33,33 @@ fn fail_derive(s: synstructure::Structure) -> TokenStream {
         }
     });
 
-    let fail = s.unbound_impl(quote!(::failure::Fail), quote! {
-        #[allow(unreachable_code)]
-        fn cause(&self) -> ::failure::_core::option::Option<#make_dyn(::failure::Fail)> {
-            match *self { #cause_body }
-            None
-        }
+    let fail = s.unbound_impl(
+        quote!(::failure::Fail),
+        quote! {
+            #[allow(unreachable_code)]
+            fn cause(&self) -> ::failure::_core::option::Option<#make_dyn(::failure::Fail)> {
+                match *self { #cause_body }
+                None
+            }
 
-        #[allow(unreachable_code)]
-        fn backtrace(&self) -> ::failure::_core::option::Option<&::failure::Backtrace> {
-            match *self { #bt_body }
-            None
-        }
-    });
-    let display = display_body(&s).map(|display_body| {
-        s.unbound_impl(quote!(::failure::_core::fmt::Display), quote! {
             #[allow(unreachable_code)]
-            fn fmt(&self, f: &mut ::failure::_core::fmt::Formatter) -> ::failure::_core::fmt::Result {
-                match *self { #display_body }
-                write!(f, "An error has occurred.")
+            fn backtrace(&self) -> ::failure::_core::option::Option<&::failure::Backtrace> {
+                match *self { #bt_body }
+                None
             }
-        })
+        },
+    );
+    let display = display_body(&s).map(|display_body| {
+        s.unbound_impl(
+            quote!(::failure::_core::fmt::Display),
+            quote! {
+                #[allow(unreachable_code)]
+                fn fmt(&self, f: &mut ::failure::_core::fmt::Formatter) -> ::failure::_core::fmt::Result {
+                    match *self { #display_body }
+                    write!(f, "An error has occurred.")
+                }
+            },
+        )
     });
 
     (quote! {

failure_derive/tests/custom_type_bounds.rs

@@ -1,4 +1,5 @@
-#[macro_use] extern crate failure;
+#[macro_use]
+extern crate failure;
 
 use std::fmt::Debug;
 
@@ -37,5 +38,8 @@ pub struct CustomBoundsGenericTupleError<T: NoDisplay>(T);
 fn custom_bounds_generic_tuple_error() {
     let error = CustomBoundsGenericTupleError("more details unavailable.");
     let s = format!("{}", error);
-    assert_eq!(&s[..], "An error has occurred: \"more details unavailable.\"");
+    assert_eq!(
+        &s[..],
+        "An error has occurred: \"more details unavailable.\""
+    );
 }