mirror of
https://github.com/clap-rs/clap
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92 lines
3.6 KiB
Markdown
92 lines
3.6 KiB
Markdown
# v0.2.0 (2018-02-10)
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## Breaking changes
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### Don't special case `u64` by [@SergioBenitez](https://github.com/SergioBenitez)
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If you are using a `u64` in your struct to get the number of occurence of a flag, you should now add `parse(from_occurrences)` on the flag.
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For example
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```rust
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#[structopt(short = "v", long = "verbose")]
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verbose: u64,
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```
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must be changed by
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```rust
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#[structopt(short = "v", long = "verbose", parse(from_occurrences))]
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verbose: u64,
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```
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This feature was surprising as shown in [#30](https://github.com/TeXitoi/structopt/issues/30). Using the `parse` feature seems much more natural.
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### Change the signature of `Structopt::from_clap` to take its argument by reference by [@TeXitoi](https://github.com/TeXitoi)
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There was no reason to take the argument by value. Most of the StructOpt users will not be impacted by this change. If you are using `StructOpt::from_clap`, just add a `&` before the argument.
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### Fail if attributes are not used by [@TeXitoi](https://github.com/TeXitoi)
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StructOpt was quite fuzzy in its attribute parsing: it was only searching for interresting things, e. g. something like `#[structopt(foo(bar))]` was accepted but not used. It now fails the compilation.
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You should have nothing to do here. This breaking change may highlight some missuse that can be bugs.
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In future versions, if there is cases that are not highlighed, they will be considerated as bugs, not breaking changes.
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### Use `raw()` wrapping instead of `_raw` suffixing by [@TeXitoi](https://github.com/TeXitoi)
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The syntax of raw attributes is changed to improve the syntax.
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You have to change `foo_raw = "bar", baz_raw = "foo"` by `raw(foo = "bar", baz = "foo")` or `raw(foo = "bar"), raw(baz = "foo")`.
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## New features
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* Add `parse(from_occurrences)` parser by [@SergioBenitez](https://github.com/SergioBenitez)
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* Support 1-uple enum variant as subcommand by [@TeXitoi](https://github.com/TeXitoi)
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* structopt-derive crate is now an implementation detail, structopt reexport the custom derive macro by [@TeXitoi](https://github.com/TeXitoi)
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* Add the `StructOpt::from_iter` method by [@Kerollmops](https://github.com/Kerollmops)
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## Documentation
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* Improve doc by [@bestouff](https://github.com/bestouff)
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* All the documentation is now on the structopt crate by [@TeXitoi](https://github.com/TeXitoi)
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# v0.1.7 (2018-01-23)
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* Allow opting out of clap default features by [@ski-csis](https://github.com/ski-csis)
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# v0.1.6 (2017-11-25)
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* Improve documentation by [@TeXitoi](https://github.com/TeXitoi)
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* Fix bug [#31](https://github.com/TeXitoi/structopt/issues/31) by [@TeXitoi](https://github.com/TeXitoi)
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# v0.1.5 (2017-11-14)
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* Fix a bug with optional subsubcommand and Enum by [@TeXitoi](https://github.com/TeXitoi)
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# v0.1.4 (2017-11-09)
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* Implement custom string parser from either `&str` or `&OsStr` by [@kennytm](https://github.com/kennytm)
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# v0.1.3 (2017-11-01)
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* Improve doc by [@TeXitoi](https://github.com/TeXitoi)
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# v0.1.2 (2017-11-01)
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* Fix bugs [#24](https://github.com/TeXitoi/structopt/issues/24) and [#25](https://github.com/TeXitoi/structopt/issues/25) by [@TeXitoi](https://github.com/TeXitoi)
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* Support of methods with something else that a string as argument thanks to `_raw` suffix by [@Flakebi](https://github.com/Flakebi)
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# v0.1.1 (2017-09-22)
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* Better formating of multiple authors by [@killercup](https://github.com/killercup)
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# v0.1.0 (2017-07-17)
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* Subcommand support by [@williamyaoh](https://github.com/williamyaoh)
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# v0.0.5 (2017-06-16)
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* Using doc comment to populate help by [@killercup](https://github.com/killercup)
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# v0.0.3 (2017-02-11)
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* First version with flags, arguments and options support by [@TeXitoi](https://github.com/TeXitoi)
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