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macros: add build tests for #[tokio::main] and #[tokio::test] (#1591)

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This commit is contained in:
Taiki Endo
2019-09-23 04:09:30 +09:00
committed by GitHub
parent ddbb0c3836
commit 3a55aba251
6 changed files with 84 additions and 2 deletions
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tokio-macros/src/lib.rs
+3 -2
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@@ -124,8 +124,9 @@ pub fn main(args: TokenStream, item: TokenStream) -> TokenStream {
/// }
/// ```
#[proc_macro_attribute]
pub fn test(_attr: TokenStream, item: TokenStream) -> TokenStream {
pub fn test(args: TokenStream, item: TokenStream) -> TokenStream {
let input = syn::parse_macro_input!(item as syn::ItemFn);
let _ = syn::parse_macro_input!(args as syn::parse::Nothing);
let ret = &input.sig.output;
let name = &input.sig.ident;
@@ -143,7 +144,7 @@ pub fn test(_attr: TokenStream, item: TokenStream) -> TokenStream {
if input.sig.asyncness.is_none() {
let msg = "the async keyword is missing from the function declaration";
return syn::Error::new_spanned(&input, msg)
return syn::Error::new_spanned(&input.sig.fn_token, msg)
.to_compile_error()
.into();
} else if !input.sig.inputs.is_empty() {