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? kleene macro operator is unstable #456

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? kleene macro operator is unstable#456
@ehuss

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@ehuss
ehuss
opened on Oct 21, 2018
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As noted in PR #424, the ? operator is still unstable. I'm wondering if it should stay (since unstable things usually aren't document). It looks like it may get stabilized soonish, so maybe it doesn't matter? (tracking issue: rust-lang/rust#48075)

I've written the grammar for macros which includes this, but I'm unsure if I should continue the trend of keeping this unstable syntax.

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ehuss
mentioned this on Oct 23, 2018
ehuss

ehuss commented on Nov 29, 2018

@ehuss
ehuss
on Nov 29, 2018
ContributorAuthor

This is now stabilized in rust-lang/rust#56245.

ehuss
closed this as completedon Nov 29, 2018
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          ? kleene macro operator is unstable · Issue #456 · rust-lang/reference