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| author | bors[bot] <bors[bot]@users.noreply.github.com> | 2019-05-23 15:31:26 +0100 |
|---|---|---|
| committer | bors[bot] <bors[bot]@users.noreply.github.com> | 2019-05-23 15:31:26 +0100 |
| commit | ef00b5af1c7a7a7cac685eff661a10252825d84a (patch) | |
| tree | b48cf769d66b2c9366c5488cfa254520730a98a3 /.vscode/tasks.json | |
| parent | eef24bddc96ddcdbcad5fddb9c0cf0e2ccad7681 (diff) | |
| parent | 63b67134fdbfedfeab655ac9ff03730575fdf475 (diff) | |
Merge #1312
1312: Introduce TokenBuffer r=matklad a=edwin0cheng
As discussed in Zulip, this PR Introduce `TokenBuffer` , a safe version of `syn` crate `TokenBuffer` which support cursor based traversal of `tt::TokenTree`. This is the basis of incoming refactoring of `TokenSource` iterator based API.
This PR do the following things:
* Add TokenBuffer in `ra_tt` crate.
* Try to use this new API to refactor the `SubtreeSource` to prove it usage.
Co-authored-by: Edwin Cheng <[email protected]>
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