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This reverts commit 2288f332301b9e22db2890df256322650a7f3445.
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[breaking-change]
If you are using slicing syntax you will need to add #![feature(slicing_syntax)] to your crate.
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Conflicts:
src/libcollections/lib.rs
src/libcore/lib.rs
src/librustdoc/lib.rs
src/librustrt/lib.rs
src/libserialize/lib.rs
src/libstd/lib.rs
src/test/run-pass/issue-8898.rs
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This reverts commit 40b9f5ded50ac4ce8c9323921ec556ad611af6b7.
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This reverts commit 95cfc35607ccf5f02f02de56a35a9ef50fa23a82.
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[breaking-change]
If you are using slicing syntax you will need to add #![feature(slicing_syntax)] to your crate.
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This breaks code that looks like:
match foo {
1..3 => { ... }
}
Instead, write:
match foo {
1...3 => { ... }
}
Closes #17295.
[breaking-change]
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Closes issue #17607
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cc #17490
Reopening of #16230
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The tuple serialization logic should be using the tuple-specific emit function. This fixes part of #17158. The JSON encoder already proxies to `emit_seq_elt` when `emit_tuple_arg` is called, so this should have an effect.
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Replace `#[ignore(cfg(a, b))]` with `#[cfg_attr(all(a, b), ignore)]`
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Change to resolve and update compiler and libs for uses.
[breaking-change]
Enum variants are now in both the value and type namespaces. This means that
if you have a variant with the same name as a type in scope in a module, you
will get a name clash and thus an error. The solution is to either rename the
type or the variant.
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Closes #16945
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Closes #12794
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This unifies the `non_snake_case_functions` and `uppercase_variables` lints
into one lint, `non_snake_case`. It also now checks for non-snake-case modules.
This also extends the non-camel-case types lint to check type parameters, and
merges the `non_uppercase_pattern_statics` lint into the
`non_uppercase_statics` lint.
Because the `uppercase_variables` lint is now part of the `non_snake_case`
lint, all non-snake-case variables that start with lowercase characters (such
as `fooBar`) will now trigger the `non_snake_case` lint.
New code should be updated to use the new `non_snake_case` lint instead of the
previous `non_snake_case_functions` and `uppercase_variables` lints. All use of
the `non_uppercase_pattern_statics` should be replaced with the
`non_uppercase_statics` lint. Any code that previously contained non-snake-case
module or variable names should be updated to use snake case names or disable
the `non_snake_case` lint. Any code with non-camel-case type parameters should
be changed to use camel case or disable the `non_camel_case_types` lint.
[breaking-change]
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[breaking-change]
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These are already coded as traits.
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A quick and dirty fix for #15036 until we get serious decoder reform.
Right now it is impossible for a Decodable to signal a decode error,
for example if it has only finitely many allowed values, is a string
which must be encoded a certain way, needs a valid checksum, etc. For
example in the libuuid implementation of Decodable an Option is
unwrapped, meaning that a decode of a malformed UUID will cause the
task to fail.
Since this adds a method to the `Decoder` trait, all users will need
to update their implementations to add it. The strategy used for the
current implementations for JSON and EBML is to add a new entry to
the error enum `ApplicationError(String)` which stores the string
provided to `.error()`.
[breaking-change]
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Our implementation of ebml has diverged from the standard in order
to better serve the needs of the compiler, so it doesn't make much
sense to call what we have ebml anyore. Furthermore, our implementation
is pretty crufty, and should eventually be rewritten into a format
that better suits the needs of the compiler. This patch factors out
serialize::ebml into librbml, otherwise known as the Really Bad
Markup Language. This is a stopgap library that shouldn't be used
by end users, and will eventually be replaced by something better.
[breaking-change]
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Not all users of MemWriter need to seek, but having MemWriter
seekable adds between 3-29% in overhead in certain circumstances.
This fixes that performance gap by making a non-seekable MemWriter,
and creating a new SeekableMemWriter for those circumstances when
that functionality is actually needed.
```
test io::mem::test::bench_buf_reader ... bench: 682 ns/iter (+/- 85)
test io::mem::test::bench_buf_writer ... bench: 580 ns/iter (+/- 57)
test io::mem::test::bench_mem_reader ... bench: 793 ns/iter (+/- 99)
test io::mem::test::bench_mem_writer_001_0000 ... bench: 48 ns/iter (+/- 27)
test io::mem::test::bench_mem_writer_001_0010 ... bench: 65 ns/iter (+/- 27) = 153 MB/s
test io::mem::test::bench_mem_writer_001_0100 ... bench: 132 ns/iter (+/- 12) = 757 MB/s
test io::mem::test::bench_mem_writer_001_1000 ... bench: 802 ns/iter (+/- 151) = 1246 MB/s
test io::mem::test::bench_mem_writer_100_0000 ... bench: 481 ns/iter (+/- 28)
test io::mem::test::bench_mem_writer_100_0010 ... bench: 1957 ns/iter (+/- 126) = 510 MB/s
test io::mem::test::bench_mem_writer_100_0100 ... bench: 8222 ns/iter (+/- 434) = 1216 MB/s
test io::mem::test::bench_mem_writer_100_1000 ... bench: 82496 ns/iter (+/- 11191) = 1212 MB/s
test io::mem::test::bench_seekable_mem_writer_001_0000 ... bench: 48 ns/iter (+/- 2)
test io::mem::test::bench_seekable_mem_writer_001_0010 ... bench: 64 ns/iter (+/- 2) = 156 MB/s
test io::mem::test::bench_seekable_mem_writer_001_0100 ... bench: 129 ns/iter (+/- 7) = 775 MB/s
test io::mem::test::bench_seekable_mem_writer_001_1000 ... bench: 801 ns/iter (+/- 159) = 1248 MB/s
test io::mem::test::bench_seekable_mem_writer_100_0000 ... bench: 711 ns/iter (+/- 51)
test io::mem::test::bench_seekable_mem_writer_100_0010 ... bench: 2532 ns/iter (+/- 227) = 394 MB/s
test io::mem::test::bench_seekable_mem_writer_100_0100 ... bench: 8962 ns/iter (+/- 947) = 1115 MB/s
test io::mem::test::bench_seekable_mem_writer_100_1000 ... bench: 85086 ns/iter (+/- 11555) = 1175 MB/s
```
[breaking-change]
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Replaced by `string::raw::from_utf8`
[breaking-change]
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