diff options
Diffstat (limited to 'mingling_macros/src/chain.rs')
| -rw-r--r-- | mingling_macros/src/chain.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mingling_macros/src/chain.rs b/mingling_macros/src/chain.rs index 9ef4ae0..ad74c5c 100644 --- a/mingling_macros/src/chain.rs +++ b/mingling_macros/src/chain.rs @@ -64,7 +64,7 @@ pub fn chain_attr(item: TokenStream) -> TokenStream { let input_fn = parse_macro_input!(item as ItemFn); // Validate the function - if !input_fn.sig.asyncness.is_some() { + if input_fn.sig.asyncness.is_none() { return syn::Error::new(input_fn.sig.span(), "Chain function must be async") .to_compile_error() .into(); |