Reintroduce UDP traits for async #71
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* gitignore: Also ignore target inside nested crate * async: Add UDP traits Closes: #71 * async UDP: Simplify to 2 rather than 3 traits * async UDP: Documentation fixes; receive_into consistency One trait's receive_into still used the old receive name. * async UDP: Make accessible through lib.rs * async UDP: Fix lifetimes of send and receive functions Elided lifetimes would have asked too little of the data / buffer references. * async UDP: Better names for bound sockets * UDP: use async-fn-in-trait instead of associated types that are Future This removes the lifetimes from the Connect associated types; leaving them would cause errors (possibly related to [12681]), but I think that stacks whose sockets are not 'static can work around this by implementing the stack traits on a &'short stack instead. [12681]: rust-lang/rust#102681 * async/UDP: Remove connect_default helper The connect method can now be provided properly. * async/CHANGELOG: Add UDP * async/UDP: rustfmt * async/UDP: Tie socket's error types to stack's
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The UDP traits were removed from the embedded-nal-async were scrapped in #70; so far, only the client-side TCP connections were re-introduced in a socket oriented fashion.
Please update this issue when starting work on UDP sockets; I have some ideas for doing that but no time yet -- creating this issue to ensure we don't all start off simultaneously.
[edit: Writing up traits now, will send a pinging update once there is a branch]
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