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Fixes #2417. Get the index from user input instead of a const. #2566
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The compiler has gotten sufficiently smart regarding const evaluation to catch many trivial instances of array-index-out-of-bounds at compile time. However, the compiler can't read peoples' minds... yet.
steveklabnik
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Jan 20, 2021
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This looks great to me, thanks a ton.
JohnTitor
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to JohnTitor/rust
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Jan 26, 2021
Update books ## nomicon 7 commits in a8584998eacdea7106a1dfafcbf6c1c06fcdf925..bbf06ad39d1f45654047e9596b750cc6e6d1b693 2021-01-06 12:49:49 -0500 to 2021-01-22 07:07:31 -0800 - Fix alloc link in exotic-sizes for local docs (rust-lang/nomicon#255) - Remove TODO - Fix small punctuation error - Arc revisions (Clone atomic explanation) (pt2/3(+?)) - Fix Arc Clone - Arc revisions (pt1/2(+?)) - Simple Arc implementation (without Weak refs) ## reference 5 commits in 50af691f838937c300b47812d0507c6d88c14f97..f02b09eb6e8af340ad1256a54adb7aae2ff3163e 2021-01-12 21:19:20 -0800 to 2021-01-22 01:53:02 -0800 - Fix missing space (rust-lang/reference#941) - Start documenting name resolution. (rust-lang/reference#937) - Fix plural and delete spurious words in comparison ops (rust-lang/reference#932) - Document execution order (rust-lang/reference#888) - Compound operator expressions (rust-lang/reference#915) ## book 3 commits in ac57a0ddd23d173b26731ccf939f3ba729753275..e724bd826580ff95df48a8533af7dec1080693d4 2021-01-09 14:18:45 -0500 to 2021-01-20 08:19:49 -0600 - Fixes rust-lang/book#2417. Get the index from user input instead of a const. (rust-lang/book#2566) - Turn off the playground in a bunch more lib.rs inclusions (rust-lang/book#2569) - Merge pull request rust-lang/book#2567 from rust-lang/rust-1.49 ## rust-by-example 1 commits in 03e23af01f0b4f83a3a513da280e1ca92587f2ec..f633769acef68574427a6fae6c06f13bc2199573 2021-01-09 10:20:28 -0300 to 2021-01-13 20:58:25 -0300 - Fixed styling on closure example (rust-lang/rust-by-example#1405)
JohnTitor
added a commit
to JohnTitor/rust
that referenced
this pull request
Jan 26, 2021
Update books ## nomicon 7 commits in a8584998eacdea7106a1dfafcbf6c1c06fcdf925..bbf06ad39d1f45654047e9596b750cc6e6d1b693 2021-01-06 12:49:49 -0500 to 2021-01-22 07:07:31 -0800 - Fix alloc link in exotic-sizes for local docs (rust-lang/nomicon#255) - Remove TODO - Fix small punctuation error - Arc revisions (Clone atomic explanation) (pt2/3(+?)) - Fix Arc Clone - Arc revisions (pt1/2(+?)) - Simple Arc implementation (without Weak refs) ## reference 5 commits in 50af691f838937c300b47812d0507c6d88c14f97..f02b09eb6e8af340ad1256a54adb7aae2ff3163e 2021-01-12 21:19:20 -0800 to 2021-01-22 01:53:02 -0800 - Fix missing space (rust-lang/reference#941) - Start documenting name resolution. (rust-lang/reference#937) - Fix plural and delete spurious words in comparison ops (rust-lang/reference#932) - Document execution order (rust-lang/reference#888) - Compound operator expressions (rust-lang/reference#915) ## book 3 commits in ac57a0ddd23d173b26731ccf939f3ba729753275..e724bd826580ff95df48a8533af7dec1080693d4 2021-01-09 14:18:45 -0500 to 2021-01-20 08:19:49 -0600 - Fixes rust-lang/book#2417. Get the index from user input instead of a const. (rust-lang/book#2566) - Turn off the playground in a bunch more lib.rs inclusions (rust-lang/book#2569) - Merge pull request rust-lang/book#2567 from rust-lang/rust-1.49 ## rust-by-example 1 commits in 03e23af01f0b4f83a3a513da280e1ca92587f2ec..f633769acef68574427a6fae6c06f13bc2199573 2021-01-09 10:20:28 -0300 to 2021-01-13 20:58:25 -0300 - Fixed styling on closure example (rust-lang/rust-by-example#1405)
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The compiler has gotten sufficiently smart regarding const evaluation to
catch many trivial instances of array-index-out-of-bounds at compile
time. However, the compiler can't read peoples' minds... yet.
@steveklabnik wdyt of this solution? The only downside is the example and the text I've added are quite a bit longer than the text there before, but I'll deal with print when that comes up.