remove use std::ascii::AsciiExt for Rust 1.23
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Well, I guess I kind of saw it coming. It doesn't compile on 1.22 but apparently will on 1.23. So when 1.23 becomes stable, since we disallow warnings on stable, our build will break until merging this PR. Okay, well, we can't merge it until that time, so we shouldn't leave it open. In the meantime, let's hunt for the change that made this happen. |
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It's still the case that you must import a trait to use its methods (I was worried for a moment there), just that there are new inherent methods. |
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It's time. |
In rust 1.23, the `AsciiExt` methods are implemented directly on the concerned types, so attempting to import `AsciiExt` results in an unused import. Rust language PR: rust-lang/rust#44042 PSA: https://users.rust-lang.org/t/psa-dealing-with-warning-unused-import-std-ascii-asciiext-in-today-s-nightly/13726 This started warning as an unused import on nightly sometime between 2017-11-02 and 2017-11-09: https://travis-ci.org/exercism/rust/builds/296391447 https://travis-ci.org/exercism/rust/builds/299770403 This started warning on beta exactly when 1.23.0 became Beta (it was accepted on 1.22.0): https://travis-ci.org/exercism/rust/builds/303139434 https://travis-ci.org/exercism/rust/builds/306431846 As 1.23 is now stable and our repo disallows warnings on stable, we will need this.
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Agreed. These changes look good to me. |
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I rewrote the commit message but made no other changes. |
petertseng
changed the title
use std::ascii::AsciiExtuse std::ascii::AsciiExt for Rust 1.23
coriolinus
approved these changes
Jan 15, 2018
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remove
use std::ascii::AsciiExtfor rust 1.23In rust 1.23, the
AsciiExtmethods are implemented directly on theconcerned types, so attempting to import
AsciiExtresults in anunused import.
Rust language PR:
rust-lang/rust#44042
PSA:
https://users.rust-lang.org/t/psa-dealing-with-warning-unused-import-std-ascii-asciiext-in-today-s-nightly/13726
This started warning as an unused import on nightly sometime between
2017-11-02 and 2017-11-09:
https://travis-ci.org/exercism/rust/builds/296391447
https://travis-ci.org/exercism/rust/builds/299770403
This started warning on beta exactly when 1.23.0 became Beta (it was
accepted on 1.22.0):
https://travis-ci.org/exercism/rust/builds/303139434
https://travis-ci.org/exercism/rust/builds/306431846
As 1.23 is now stable and our repo disallows warnings on stable, we will
need this.