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macros: fix partially consumed tokens in macro matchers - #37208
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bors merged 2 commits intoOct 19, 2016
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nit: this panic should be unreachable (it might be better though to encapsulate this on the token tree somewhere, rather than doing it here.
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Changed to unreachable!().
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r+ with the nit addressed |
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@bors r=nrc |
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📌 Commit 95a9e2a has been approved by |
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…kens_in_macros, r=nrc macros: fix partially consumed tokens in macro matchers Fixesrust-lang#37175. This PR also avoids re-transcribing the tokens consumed by a matcher (and cloning the `TtReader` once per matcher), which improves expansion performance of the test case from rust-lang#34630 by ~8%. r? @nrc
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…kens_in_macros, r=nrc macros: fix partially consumed tokens in macro matchers Fixesrust-lang#37175. This PR also avoids re-transcribing the tokens consumed by a matcher (and cloning the `TtReader` once per matcher), which improves expansion performance of the test case from rust-lang#34630 by ~8%. r? @nrc
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Fixes#37175.
This PR also avoids re-transcribing the tokens consumed by a matcher (and cloning the
TtReaderonce per matcher), which improves expansion performance of the test case from #34630 by ~8%.r? @nrc