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Tracking issue for [T]::rchunks, rchunks_mut, rchunks_exact, rchunks_exact_mut #55177

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SimonSapin opened this issue Oct 18, 2018 · 1 comment · Fixed by #55178
Closed

Tracking issue for [T]::rchunks, rchunks_mut, rchunks_exact, rchunks_exact_mut #55177

SimonSapin opened this issue Oct 18, 2018 · 1 comment · Fixed by #55178
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B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.

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@SimonSapin
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Implemented in #54580.

These are similar to chunks, chunks_mut, chunks_exact, and chunks_exact_mut respectively, but they start from the end of the slice. They differ from calling .rev() on those other iterators (which is also possible) when the slice’s length is not a multiple of the chunk size: the remainder (either a smaller chunk or accessible through a separate method) is at the start of the slice instead of the end.

CC #47115 which tracks chunks_exact and chunks_exact_mut.
@SimonSapin SimonSapin added T-libs-api Relevant to the library API team, which will review and decide on the PR/issue. B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC labels Oct 18, 2018
@SimonSapin SimonSapin mentioned this issue Oct 18, 2018
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sdroege added a commit to sdroege/rust that referenced this issue Oct 18, 2018
@sdroege
Add slice::rchunks(), rchunks_mut(), rchunks_exact() and rchunks_exac…
80a8e5c 
…t_mut()

These work exactly like the normal chunks iterators but start creating
chunks from the end of the slice.

See rust-lang#55177 for the tracking issue
@sdroege
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sdroege commented Oct 18, 2018

Stabilization of this is in #55178 together with chunks_exact() and chunks_exact_mut()

sdroege added a commit to sdroege/rust that referenced this issue Oct 18, 2018
@sdroege
Stabilize slice::rchunks(), rchunks_mut(), rchunks_exact(), rchunk_ex…
52cc6fd 
…act_mut()

Fixes rust-lang#55177
@sdroege sdroege mentioned this issue Oct 18, 2018
Merged
kennytm added a commit to kennytm/rust that referenced this issue Oct 19, 2018
@kennytm
Rollup merge of rust-lang#55178 - sdroege:stabilize-chunks-exact, r=a…
4763c22 
…lexcrichton

Stabilize slice::chunks_exact(), chunks_exact_mut(), rchunks(), rchunks_mut(), rchunks_exact(), rchunks_exact_mut()

Fixes rust-lang#47115, rust-lang#55177
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Labels
B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
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