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authorbors <bors@rust-lang.org>2020-03-22 11:57:58 +0000
committerbors <bors@rust-lang.org>2020-03-22 11:57:58 +0000
commit5ae85f43f4eeaf177cd12f47958b7ff62786b612 (patch)
tree6e91c9881063d776b52e05bada95e8acb4139db3 /src/test/rustdoc-ui/coverage/json.rs
parent94d43d656665e59abc10c7c22a3194685e7cc605 (diff)
parente964d7180ca4164dfa3d6c6dee6026889c604812 (diff)
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Auto merge of #68820 - WaffleLapkin:remove_finished_from_map_while, r=LukasKalbertodt
Remove `finished` flag from `MapWhile`

This PR removes  `finished` flag from `MapWhile` as been proposed in https://github.com/rust-lang/rust/pull/66577#discussion_r370958025.

This also resolves open questions of the tracking issue (#68537):
- `MapWhile` can't implement both
  + `DoubleEndedIterator` (discussed in https://github.com/rust-lang/rust/pull/66577#discussion_r370947990 and following comments)
  + `FusedIterator` (this pr removes `finished` flag, so `MapWhile` isn't fused anymore)
- Debug output (this pr removes `finished` flag, so there is no question in including it in debug output)

r? @Mark-Simulacrum
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