remove unneeded macro param in error::impl_error_from

src/error.rs

@@ -64,8 +64,8 @@ pub enum Error {
 
 // a helper to generate all the `From<T> for Error` impls
 macro_rules! impl_error_from {
-    // $typ: the source type; $var: the enum‐variant name
-    ( $( $typ:path => $var:ident ),* $(,)? ) => {
+    // $typ: the source type
+    ( $( $typ:path ),* $(,)? ) => {
         $(
             // // implement for values
             // impl From<$typ> for Error {
@@ -85,10 +85,10 @@ macro_rules! impl_error_from {
 }
 
 impl_error_from! {
-    sharry::Uri     => Uri,
-    sharry::AliasID => AliasID,
-    sharry::ShareID => ShareID,
-    sharry::FileID  => FileID,
+    sharry::Uri,
+    sharry::AliasID,
+    sharry::ShareID,
+    sharry::FileID,
 }
 
 #[allow(clippy::needless_pass_by_value)]