Don't emit a warning when a struct with no validator derives Validate

1 files changed, 1 insertions, 0 deletions

diff --git a/validator_derive/src/lib.rs b/validator_derive/src/lib.rs
index 1678883..6700c2a 100644
--- a/validator_derive/src/lib.rs
+++ b/validator_derive/src/lib.rs
@@ -74,6 +74,7 @@ fn impl_validate(ast: &syn::MacroInput) -> quote::Tokens {
     let (impl_generics, ty_generics, where_clause) = ast.generics.split_for_impl();
     let impl_ast = quote!(
         impl #impl_generics Validate for #ident #ty_generics #where_clause {
+            #[allow(unused_mut)]
             fn validate(&self) -> ::std::result::Result<(), ::validator::ValidationErrors> {
                 let mut errors = ::validator::ValidationErrors::new();