Apply clippy suggestions

Author: meithecatte

enumflags/src/lib.rs

@@ -409,10 +409,10 @@ mod impl_serde {
         fn deserialize<D: serde::Deserializer<'a>>(d: D) -> Result<Self, D::Error> {
             let val = T::Type::deserialize(d)?;
             Self::from_bits(val)
-                .or_else(|_| Err(D::Error::invalid_value(
+                .map_err(|_| D::Error::invalid_value(
                     Unexpected::Unsigned(val.into()),
                     &"valid bit representation"
-                )))
+                ))
         }
     }
 

enumflags_derive/src/lib.rs

@@ -70,7 +70,7 @@ fn fold_expr(expr: &syn::Expr) -> Result<u64, EvaluationError> {
             match expr_lit.lit {
                 syn::Lit::Int(ref lit_int) => {
                     lit_int.base10_parse()
-                        .or_else(|_| Err(LiteralOutOfRange(expr.span())))
+                        .map_err(|_| LiteralOutOfRange(expr.span()))
                 }
                 _ => Err(UnsupportedOperation(expr.span()))
             }