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Disallow default_value and required for Option#88

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TeXitoi merged 2 commits into
TeXitoi:masterfrom
Kerollmops:no-default-for-option
Apr 6, 2018
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Disallow default_value and required for Option#88
TeXitoi merged 2 commits into
TeXitoi:masterfrom
Kerollmops:no-default-for-option

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@Kerollmops

@Kerollmops Kerollmops commented Apr 2, 2018

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Kerollmops commented Apr 2, 2018

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Tests passes on rustc 1.26-nightly on my macbook pro.

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Tests fails with cargo test --features nightly. I can't look at it now.

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TeXitoi commented Apr 2, 2018

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Please add a line in the changelog

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Kerollmops commented Apr 2, 2018 •
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We should probably bump the major number because this is not a backward compatible update, it will break current compiling code. https://semver.org/

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TeXitoi commented Apr 2, 2018

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I've said in 0.2 that I can break compilation for better error handling, thus no major version change for that.

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The failing test also fail on master. Maybe syn and quote are not yet synchronised with nightly.

Only the first doc comment is given by syn.

rust-lang/rust#49545 may be related to this.

I didn't understand the problem I do t know where reporting the issue. Maybe syn? @dtolnay any idea?

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Required is also meaningless with option.

@Kerollmops Kerollmops changed the title Remove meaningless default value on option values Remove meaningless default value and required on Option Apr 2, 2018
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Comment thread CHANGELOG.md Outdated
@@ -1,3 +1,7 @@
# v0.2.7 (unreleased)

* Fail compilation when using `default_value` with `Option` ([#88](https://github.com/TeXitoi/structopt/pull/88)) by [@Kerollmops](https://github.com/Kerollmops)

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Not updated accordingly.

@Kerollmops Kerollmops changed the title Remove meaningless default value and required on Option Disallow default_value and required for Option Apr 2, 2018
@dtolnay dtolnay mentioned this pull request Apr 2, 2018
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dtolnay commented Apr 2, 2018

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Thanks for the ping. I filed rust-lang/rust#49596 to follow up.

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TeXitoi commented Apr 6, 2018

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Fixed in nightly for our case.

Thanks for the contribution and your patience.

@TeXitoi TeXitoi merged commit 6a39e59 into TeXitoi:master Apr 6, 2018
Kerollmops
Kerollmops commented Apr 6, 2018
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Comment thread CHANGELOG.md
@@ -1,3 +1,7 @@
# v0.2.7 (unreleased)

* Fail compilation when using `default_value` and `required` with `Option` ([#88](https://github.com/TeXitoi/structopt/pull/88)) by [@Kerollmops](https://github.com/Kerollmops)

@Kerollmops Kerollmops Apr 6, 2018 •
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s/and/or 😞

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amended

TeXitoi pushed a commit that referenced this pull request Apr 6, 2018
@Kerollmops @TeXitoi
Disallow default_value and required for Option (#88)
d59117a
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@Kerollmops @TeXitoi @dtolnay