rust
Proc macro wrong expansion context
procedural macro.*cannot expand to.*statements
Fixes
- 1.Use attribute macro for statement context
- 2.Return valid TokenStream for position
- 3.Check if derive vs attribute vs function-like
rustmacrosproc-macro
Related Errors
rust3 fixes
Future not Send due to non-Send type
future cannot be sent between threads safely.*Send
- •Use Arc<Mutex<T>> instead of Rc<RefCell<T>>
- •Add Send bound or spawn_local for !Send futures
rust3 fixes
Future requires Unpin but type doesn't implement it
cannot be unpinned.*Unpin.*is not implemented
- •Use Box::pin() to pin the future on heap
- •Use pin_mut! macro for stack pinning
rust3 fixes
Type doesn't implement Future trait
the trait.*Future.*is not implemented for
- •Ensure async fn returns impl Future
- •Use .await on async calls