openharmony/third_party_rust_tower
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chore: bump MSRV to 1.49.0 (#645)

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`tower` builds are now failing on CI because Tokio v1.17.0 bumped MSRV
to 1.49.0. This branch updates `tower`'s MSRV to 1.49.0 to track Tokio's
MSRV. I also added nicer documentation of the MSRV based on Tokio's, and
added the `rust-version` Cargo metadata to the `tower` crate's
`Cargo.toml`.

Note that `tower-service` and `tower-layer` can technically continue to
support much earlier Rust versions than `tower` can, since they don't
depend on external crates and are very small. We could consider testing
separate, older MSRVs on CI for those crates individually. I didn't do
that in this PR, though, because I wasn't sure if this was worth the
effort and I just wanted to get CI passing again.
This commit is contained in:
Eliza Weisman 2022-02-16 13:14:05 -08:00 committed by GitHub
parent 7b6587e412
commit 9c184d81bc
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 21 additions and 4 deletions
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4
.github/workflows/CI.yml vendored
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@ -15,7 +15,7 @@ jobs:
# failure only occurs on a particular version.
fail-fast: false
matrix:
rust: [stable, 1.46.0]
rust: [stable, 1.49.0]
steps:
- uses: actions/checkout@master
- uses: actions-rs/toolchain@v1
@ -68,7 +68,7 @@ jobs:
# failure only occurs on a particular version.
fail-fast: false
matrix:
rust: [stable, beta, nightly, 1.46.0]
rust: [stable, beta, nightly, 1.49.0]
steps:
- uses: actions/checkout@master
- uses: actions-rs/toolchain@v1

6
README.md
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@ -29,9 +29,11 @@ Tower aims to make it as easy as possible to build robust networking clients and
servers. It is protocol agnostic, but is designed around a request / response
pattern. If your protocol is entirely stream based, Tower may not be a good fit.
## Minimum supported Rust version
## Supported Rust Versions
tower's MSRV is 1.46.
Tower will keep a rolling MSRV (minimum supported Rust version) policy of **at
least** 6 months. When increasing the MSRV, the new Rust version must have been
released at least six months ago. The current MSRV is 1.49.0.
## Getting Started

1
tower/Cargo.toml
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@ -20,6 +20,7 @@ clients and servers.
categories = ["asynchronous", "network-programming"]
keywords = ["io", "async", "non-blocking", "futures", "service"]
edition = "2018"
rust-version = "1.49.0"
[features]
default = ["log"]

7
tower/README.md
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@ -172,6 +172,13 @@ Tower.
[`retry`]: https://docs.rs/tower/latest/tower/retry
[open a PR]: https://github.com/tower-rs/tower/compare
## Supported Rust Versions
Tower will keep a rolling MSRV (minimum supported Rust version) policy of **at
least** 6 months. When increasing the MSRV, the new Rust version must have been
released at least six months ago. The current MSRV is 1.49.0.
## License
This project is licensed under the [MIT license](LICENSE).

7
tower/src/lib.rs
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@ -140,6 +140,13 @@
//! See [here](#modules) for a complete list of all middleware provided by
//! Tower.
//!
//!
//! #! Supported Rust Versions
//!
//! Tower will keep a rolling MSRV (minimum supported Rust version) policy of **at
//! least** 6 months. When increasing the MSRV, the new Rust version must have been
//! released at least six months ago. The current MSRV is 1.49.0.
//!
//! [`Service`]: crate::Service
//! [`Layer`]: crate::Layer
//! [timeouts]: crate::timeout