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feat(builder): Set/Append Actions #3777

Merged
merged 1 commit into from
Jun 1, 2022
Merged

feat(builder): Set/Append Actions #3777

merged 1 commit into from
Jun 1, 2022

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epage
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@epage epage commented Jun 1, 2022

This round out the new style actions and allow us to start deprecating
occurrences.

As part of an effort to unify code paths, this does change flag parsing
to do splits. This will only be a problem if the user enables splits
but we'll at least not crash. Once we also address #3776, we'll be able
to have envs all work the same.

This round out the new style actions and allow us to start deprecating
occurrences.

As part of an effort to unify code paths, this does change flag parsing
to do splits.  This will only be a problem if the user enables splits
but we'll at least not crash.  Once we also address clap-rs#3776, we'll be able
to have envs all work the same.
@epage epage merged commit b417e62 into clap-rs:master Jun 1, 2022
@epage epage deleted the set branch June 1, 2022 16:09
epage added a commit to epage/clap that referenced this pull request Jun 6, 2022
This is the derive support for clap-rs#3774 (see also clap-rs#3775, clap-rs#3777)

This combined with `value_parser` replaces `parser`.  The main
frustration with this is that `ArgAction::Count` (the replacement for
`parse(from_occurrences)` must be a `u64`.  We could come up with a
magic attribute that is meant to be the value parser's parsed type.  We
could then use `TryFrom` to convert the parsed type to the user's type
to allow more.  That is an exercise for the future.  Alternatively, we
have clap-rs#3792.

Prep for this included
- clap-rs#3782
- clap-rs#3783
- clap-rs#3786
- clap-rs#3789
- clap-rs#3793
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