tokio-macros: add documentation about re-naming the tokio dependency #2521
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- docs: misc improvements (#2572, #2658, #2663, #2656, #2647, #2630, #2487, #2621, #2624, #2600, #2623, #2622, #2577, #2569, #2589, #2575, #2540, #2564, #2567, #2520, #2521, #2572, #2493) - rt: allow calls to `block_on` inside calls to `block_in_place` that are themselves inside `block_on` (#2645) - net: fix non-portable behavior when dropping `TcpStream` `OwnedWriteHalf` (#2597) - io: improve stack usage by allocating large buffers on directly on the heap (#2634) - io: fix unsound pin projection in `AsyncReadExt::read_buf` and `AsyncWriteExt::write_buf` (#2612) - io: fix unnecessary zeroing for `AsyncRead` implementors (#2525) - io: Fix `BufReader` not correctly forwarding `poll_write_buf` (#2654) - coop: returning `Poll::Pending` no longer decrements the task budget (#2549) - io: little-endian variants of `AsyncReadExt` and `AsyncWriteExt` methods (#1915) - io: fix panic in `AsyncReadExt::read_line` (#2541) - task: add [`tracing`] instrumentation to spawned tasks (#2655) - sync: allow unsized types in `Mutex` and `RwLock` (via `default` constructors) (#2615) - net: add `ToSocketAddrs` implementation for `&[SocketAddr]` (#2604) - fs: add `OpenOptionsExt` for `OpenOptions` (#2515) - fs: add `DirBuilder` (#2524) [`tracing`]: https://crates.io/crates/tracing Signed-off-by: Eliza Weisman <[email protected]>
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# 0.2.22 (July 2!, 2020) ### Fixes - docs: misc improvements (#2572, #2658, #2663, #2656, #2647, #2630, #2487, #2621, #2624, #2600, #2623, #2622, #2577, #2569, #2589, #2575, #2540, #2564, #2567, #2520, #2521, #2493) - rt: allow calls to `block_on` inside calls to `block_in_place` that are themselves inside `block_on` (#2645) - net: fix non-portable behavior when dropping `TcpStream` `OwnedWriteHalf` (#2597) - io: improve stack usage by allocating large buffers on directly on the heap (#2634) - io: fix unsound pin projection in `AsyncReadExt::read_buf` and `AsyncWriteExt::write_buf` (#2612) - io: fix unnecessary zeroing for `AsyncRead` implementors (#2525) - io: Fix `BufReader` not correctly forwarding `poll_write_buf` (#2654) - io: fix panic in `AsyncReadExt::read_line` (#2541) ### Changes - coop: returning `Poll::Pending` no longer decrements the task budget (#2549) ### Added - io: little-endian variants of `AsyncReadExt` and `AsyncWriteExt` methods (#1915) - task: add [`tracing`] instrumentation to spawned tasks (#2655) - sync: allow unsized types in `Mutex` and `RwLock` (via `default` constructors) (#2615) - net: add `ToSocketAddrs` implementation for `&[SocketAddr]` (#2604) - fs: add `OpenOptionsExt` for `OpenOptions` (#2515) - fs: add `DirBuilder` (#2524) [`tracing`]: https://crates.io/crates/tracing Signed-off-by: Eliza Weisman <[email protected]>
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Adds a note to the documentation of the
tokio::mainand thetokio::testmacros that renaming the 0.2 version of this crate will break these macros.There's more discussion in the comments on #2312.
Motivation
proc macros are unhygienic and since these macros emit calls to
tokioAPIs, if the user renames the tokio crate in their Cargo.toml, these macros break with a less than excellent error message.Solution
Since there's no technical solution that doesn't require user intervention, just documenting the issue seems best.