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Instead of SignalException for SIGPIPE, raise `Errno::EPIPE` with
instance variable `signo` and re-send that signal at exit.
[Feature #14413]
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View the help message wth pager designed by RUBY_PAGER or PAGER
environment variable, unless that value is empty.
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Raise `SignalException` for SIGPIPE to abort when EPIPE occurs.
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[Feature #15921]
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Split ruby.h
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Previously, passing a keyword splat to a method always allocated
a hash on the caller side, and accepting arbitrary keywords in
a method allocated a separate hash on the callee side. Passing
explicit keywords to a method that accepted a keyword splat
did not allocate a hash on the caller side, but resulted in two
hashes allocated on the callee side.
This commit makes passing a single keyword splat to a method not
allocate a hash on the caller side. Passing multiple keyword
splats or a mix of explicit keywords and a keyword splat still
generates a hash on the caller side. On the callee side,
if arbitrary keywords are not accepted, it does not allocate a
hash. If arbitrary keywords are accepted, it will allocate a
hash, but this commit uses a callinfo flag to indicate whether
the caller already allocated a hash, and if so, the callee can
use the passed hash without duplicating it. So this commit
should make it so that a maximum of a single hash is allocated
during method calls.
To set the callinfo flag appropriately, method call argument
compilation checks if only a single keyword splat is given.
If only one keyword splat is given, the VM_CALL_KW_SPLAT_MUT
callinfo flag is not set, since in that case the keyword
splat is passed directly and not mutable. If more than one
splat is used, a new hash needs to be generated on the caller
side, and in that case the callinfo flag is set, indicating
the keyword splat is mutable by the callee.
In compile_hash, used for both hash and keyword argument
compilation, if compiling keyword arguments and only a
single keyword splat is used, pass the argument directly.
On the caller side, in vm_args.c, the callinfo flag needs to
be recognized and handled. Because the keyword splat
argument may not be a hash, it needs to be converted to a
hash first if not. Then, unless the callinfo flag is set,
the hash needs to be duplicated. The temporary copy of the
callinfo flag, kw_flag, is updated if a hash was duplicated,
to prevent the need to duplicate it again. If we are
converting to a hash or duplicating a hash, we need to update
the argument array, which can including duplicating the
positional splat array if one was passed. CALLER_SETUP_ARG
and a couple other places needs to be modified to handle
similar issues for other types of calls.
This includes fairly comprehensive tests for different ways
keywords are handled internally, checking that you get equal
results but that keyword splats on the caller side result in
distinct objects for keyword rest parameters.
Included are benchmarks for keyword argument calls.
Brief results when compiled without optimization:
def kw(a: 1) a end
def kws(**kw) kw end
h = {a: 1}
kw(a: 1) # about same
kw(**h) # 2.37x faster
kws(a: 1) # 1.30x faster
kws(**h) # 2.19x faster
kw(a: 1, **h) # 1.03x slower
kw(**h, **h) # about same
kws(a: 1, **h) # 1.16x faster
kws(**h, **h) # 1.14x faster
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As a semantics, Hash#each yields a 2-element array (pairs of keys and
values). So, `{ a: 1 }.each(&->(k, v) { })` should raise an exception
due to lambda's arity check.
However, the optimization that avoids Array allocation by using
rb_yield_values for blocks whose arity is more than 1 (introduced at
b9d29603375d17c3d1d609d9662f50beaec61fa1 and some commits), seemed to
overlook the lambda case, and wrongly allowed the code above to work.
This change experimentally attempts to make it strict; now the code
above raises an ArgumentError. This is an incompatible change; if the
compatibility issue is bigger than our expectation, it may be reverted
(until Ruby 3.0 release).
[Bug #12706]
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* Let Net::HTTP.get take request headers
* Add more test cases for no header usages
* Add examples with request headers
* Add a NEWS entry [ci skip]
[Feature #16686]
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As the headings become link anchors, remove less useful notes.
[ci skip]
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This behavior was deprecated in 2.7 and scheduled to be removed
in 3.0.
Calling yield in a class definition outside a method is now a
SyntaxError instead of a LocalJumpError, as well.
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[Feature #16555]
https://github.com/ruby/ruby/pull/2858
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These were all deprecated in Ruby 2.7.
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It is not set by default in the Github viewer.
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Sort the results which matched single wildcard or character set in
binary ascending order, unless `sort: false` is given. The order
of an Array of pattern strings and braces are not affected.
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As the only h2 did not have its exclusively owned body text,
merged it to the first paragraph. Then pulled up h3 and deeper
headings.
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* The definition lists extensions of the RDoc Markdown parser does
not support nesting.
* The RDoc Markdown parser requires more indents for nested lists.
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[Feature #16484][ruby-core:96682]
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and NEWS is deleted
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