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This PR contains the following updates:
1.0.0
->1.0.2
4.3
->4.4
1.0.0
->1.0.2
1.1.4
->1.2.0
1.0.4
->1.0.5
1.17.2
->1.18.0
1.8
->1.9
2.6.0
->2.7.0
Release Notes
rust-cli/anstyle (anstyle)
v1.0.2
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v1.0.1
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clap-rs/clap (clap)
v4.4.2
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Performance
once_cell
dependencyv4.4.1
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Features
Command::styles
v4.4.0
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Compatibility
v4.3.24
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Fixes
--help
with custom templatesv4.3.23
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Fixes
UnknownArgumentValueParser
to not error on flag's absencev4.3.22
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Features
UnknownArgumentValueParser
for injecting errors for improving the experience with errorsv4.3.21
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Features
TryMapValueParser
so the type can be namedv4.3.20
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Features
Command::mut_args
for modifying all arguments en massev4.3.19
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Fixes
value_terminator
even in the presence of later multiple-value positional argumentsv4.3.18
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Fixes
--
in fewer places where it won't workv4.3.17
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Fixes
PossibleValue
descriptions in--help
v4.3.16
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Fixes
v4.3.15
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Features
anstyle
Documentation
v4.3.14
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Features
ArgAction::HelpShort
andArgAction::HelpLong
for explicitly specifying which style of help to displayFixes
[OPTIONS]
in usage if a help or versionArgAction
is usedv4.3.13
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v4.3.12
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Fixes
v4.3.11
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Features
num::Wrapping
,Box
, orArc
Box<str>
,Box<OsStr>
, andBox<Path>
v4.3.10
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Performance
v4.3.9
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Fixes
Command::ignore_errors
no longer masks help/versionv4.3.8
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Fixes
infer_long_arg
, rather than arbitrarily picking one, matching the documentation and subcommand's behaviorv4.3.7
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Documentation
v4.3.6
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Documentation
clio
v4.3.5
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ColorChoice::possible_values
is added to simplify things for builder usersFixes
ColorChoice::to_possible_value
no longer includes descriptions, encouraging shorter help where possiblev4.3.4
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Features
Error::exit_code
v4.3.3
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Features
Command::defer
for delayed initialization of subcommands to reduce startup times of large applications like denov4.3.2
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Fixes
--help
with custom templatesv4.3.1
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Fixes
value_terminator
even in the presence of later multiple-value positional argumentsrust-cli/human-panic (human-panic)
v1.2.0
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Compatibility
Performance
is-terminal
dependencyv1.1.5
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Fixes
crate-ci/imperative (imperative)
v1.0.5
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Fixes
package
added
is not imperativematklad/once_cell (once_cell)
v1.18.0
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MSRV
is updated to 1.60.0 to take advantage ofdep:
syntax for cargo features,removing "implementation details" from publicly visible surface.
rust-lang/regex (regex)
v1.9.4
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==================
This is a patch release that fixes a bug where
RegexSet::is_match(..)
couldincorrectly return false (even when
RegexSet::matches(..).matched_any()
returns true).
Bug fixes:
Fix a bug where a prefilter was incorrectly configured for a
RegexSet
.v1.9.3
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==================
This is a patch release that fixes a bug where some searches could result in
incorrect match offsets being reported. It is difficult to characterize the
types of regexes susceptible to this bug. They generally involve patterns
that contain no prefix or suffix literals, but have an inner literal along with
a regex prefix that can conditionally match.
Bug fixes:
Fix a bug with the reverse inner literal optimization reporting incorrect match
offsets.
v1.9.2
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==================
This is a patch release that fixes another memory usage regression. This
particular regression occurred only when using a
RegexSet
. In some cases,much more heap memory (by one or two orders of magnitude) was allocated than in
versions prior to 1.9.0.
Bug fixes:
Fix a memory usage regression when using a
RegexSet
.v1.9.1
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==================
This is a patch release which fixes a memory usage regression. In the regex
1.9 release, one of the internal engines used a more aggressive allocation
strategy than what was done previously. This patch release reverts to the
prior on-demand strategy.
Bug fixes:
Change the allocation strategy for the backtracker to be less aggressive.
v1.9.0
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==================
This release marks the end of a years long rewrite of the regex crate
internals. Since this is
such a big release, please report any issues or regressions you find. We would
also love to hear about improvements as well.
In addition to many internal improvements that should hopefully result in
"my regex searches are faster," there have also been a few API additions:
Captures::extract
method for quickly accessing the substringsthat match each capture group in a regex.
R
, which enables CRLF mode. This makes.
match anyUnicode scalar value except for
\r
and\n
, and also makes(?m:^)
and(?m:$)
match after and before both\r
and\n
, respectively, but neverbetween a
\r
and\n
.RegexBuilder::line_terminator
was added to further customize the lineterminator used by
(?m:^)
and(?m:$)
to be any arbitrary byte.std
Cargo feature is now actually optional. That is, theregex
cratecan be used without the standard library.
regex 1.9
may make binary size and compile times even worse, anew experimental crate called
regex-lite
has been published. It prioritizesbinary size and compile times over functionality (like Unicode) and
performance. It shares no code with the
regex
crate.New features:
One can opt into CRLF mode via the
R
flag.e.g.,
(?mR:$)
matches just before\r\n
.Multi-pattern searches with offsets can be done with
regex-automata 0.3
.std
is now an optional feature.regex
may be used with onlyalloc
.RegexBuilder::line_terminator
configures how(?m:^)
and(?m:$)
behave.Anchored search APIs are now available in
regex-automata 0.3
.Add new
Captures::extract
method for easier capture group access.Add
regex-lite
crate with smaller binary sizes and faster compile times.Add
TryFrom
implementations for theRegex
type.Performance improvements:
Added a one-pass DFA engine for faster capture group matching.
Inner literals are now used to accelerate searches, e.g.,
\w+@​\w+
will scanfor
@
.PERF #891:
Makes literal optimizations apply to regexes of the form
\b(foo|bar|quux)\b
.(There are many more performance improvements as well, but not all of them have
specific issues devoted to them.)
Bug fixes:
Fix matching bugs related to
\B
and inconsistencies across internal engines.Fix matching bug with capture groups.
Fix matching bug with word boundaries.
Fix bug where some regexes like
(re)+
were not equivalent to(re)(re)*
.Fix matching bug inconsistency between NFA and DFA engines.
Fix matching bug where literal extraction got confused by
$
.Add documentation to replacement routines about dealing with fallibility.
Use corpus rejection in fuzz testing.
v1.8.4
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==================
This is a patch release that fixes a bug where
(?-u:\B)
was allowed inUnicode regexes, despite the fact that the current matching engines can report
match offsets between the code units of a single UTF-8 encoded codepoint. That
in turn means that match offsets that split a codepoint could be reported,
which in turn results in panicking when one uses them to slice a
&str
.This bug occurred in the transition to
regex 1.8
because the underlyingsyntactical error that prevented this regex from compiling was intentionally
removed. That's because
(?-u:\B)
will be permitted in Unicode regexes inregex 1.9
, but the matching engines will guarantee to never report matchoffsets that split a codepoint. When the underlying syntactical error was
removed, no code was added to ensure that
(?-u:\B)
didn't compile in theregex 1.8
transition release. This release,regex 1.8.4
, adds that codesuch that
Regex::new(r"(?-u:\B)")
returns to theregex <1.8
behavior ofnot compiling. (A
bytes::Regex
can still of course compile it.)Bug fixes:
Fix a bug where
(?-u:\B)
was allowed in Unicode regexes, and in turn couldlead to match offsets that split a codepoint in
&str
.v1.8.3
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==================
This is a patch release that fixes a bug where the regex would report a
match at every position even when it shouldn't. This could occur in a very
small subset of regexes, usually an alternation of simple literals that
have particular properties. (See the issue linked below for a more precise
description.)
Bug fixes:
Fix a bug where a match at every position is erroneously reported.
v1.8.2
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==================
This is a patch release that fixes a bug where regex compilation could panic
in debug mode for regexes with large counted repetitions. For example,
a{2147483516}{2147483416}{5}
resulted in an integer overflow that wrappedin release mode but panicking in debug mode. Despite the unintended wrapping
arithmetic in release mode, it didn't cause any other logical bugs since the
errant code was for new analysis that wasn't used yet.
Bug fixes:
Fix a bug where regex compilation with large counted repetitions could panic.
v1.8.1
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==================
This is a patch release that fixes a bug where a regex match could be reported
where none was found. Specifically, the bug occurs when a pattern contains some
literal prefixes that could be extracted and an optional word boundary in the
prefix.
Bug fixes:
Fix a bug where a word boundary could interact with prefix literal
optimizations and lead to a false positive match.
seanmonstar/unicase (unicase)
v2.7.0
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What's Changed
Configuration
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