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Merge pull request #12 from timokroeger/task-macro-warning

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Fix warnings for tasks that take mutable parameters
This commit is contained in:
Dario Nieuwenhuis 2020-12-31 16:32:44 +01:00 committed by GitHub
commit ffb92731cd
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1 changed files with 7 additions and 4 deletions
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11
embassy-macros/src/lib.rs
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@ -55,9 +55,9 @@ pub fn task(args: TokenStream, item: TokenStream) -> TokenStream {
let mut arg_names: syn::punctuated::Punctuated<syn::Ident, syn::Token![,]> =
syn::punctuated::Punctuated::new();
let args = &task_fn.sig.inputs;
let mut args = task_fn.sig.inputs.clone();
for arg in args.iter() {
for arg in args.iter_mut() {
match arg {
syn::FnArg::Receiver(_) => {
arg.span()
@ -66,8 +66,11 @@ pub fn task(args: TokenStream, item: TokenStream) -> TokenStream {
.emit();
fail = true;
}
syn::FnArg::Typed(t) => match t.pat.as_ref() {
syn::Pat::Ident(i) => arg_names.push(i.ident.clone()),
syn::FnArg::Typed(t) => match t.pat.as_mut() {
syn::Pat::Ident(i) => {
arg_names.push(i.ident.clone());
i.mutability = None;
}
_ => {
arg.span()
.unwrap()