rust
Missing lifetime annotation
error\[E0106\].*missing lifetime specifier
Fixes
- 1.Add explicit lifetime parameter: fn foo<'a>(x: &'a str) -> &'a str
- 2.Return an owned type instead of a reference if possible
- 3.Use 'static lifetime if the data lives for the entire program
lifetimeannotations
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