This makes objects created via #to_enum and related methods pass
keyword arguments as keywords.
To implement this, add a kw_splat member of struct enumerator and
struct iter_method_arg, and add rb_block_call_kw, which is the
same as rb_block_call_kw with a flag for whether the last argument
is keyword options.
Previously, passing to_enum/enum_for a method that was defined in
Lazy itself returned wrong results:
[1,2,3].to_enum(:map).to_a
# => [1, 2, 3]
[1,2,3].lazy.to_enum(:map).to_a
# => []
I'm not sure why methods that are designed to be lazy do not work
with to_enum/enum_for. However, one possible way to work around
this bug is to have to_enum/enum_for use the implementation found
in Enumerable/Enumerator, which is what this commit does.
While this commit works around the problem, it is a band-aid, not a
real fix. It doesn't handle aliases of Enumerable::Lazy methods,
for instance. A better fix would be appreciated.
Previously, Enumerator::Lazy#with_index was not defined, so it
picked up the default implementation from Enumerator, which was
not lazy.
Based on earlier patch from nobu.
Fixes [Bug #7877]
Previously, Enumerator::Lazy#with_index was not defined, so it
picked up the default implementation from Enumerator, which was
not lazy.
Based on earlier patch from nobu.
Fixes [Bug #7877]
After 5e86b005c0, I now think ANYARGS is
dangerous and should be extinct. This commit deletes ANYARGS from
rb_proc_new / rb_fiber_new, and applies RB_BLOCK_CALL_FUNC_ARGLIST
wherever necessary.
After 5e86b005c0, I now think ANYARGS is
dangerous and should be extinct. This commit deletes ANYARGS from
rb_rescue / rb_rescue2, which revealed many arity / type mismatches.
After 5e86b005c0, I now think ANYARGS is
dangerous and should be extinct. Let's start from making
rb_block_call_func_t strict, and apply RB_BLOCK_CALL_FUNC_ARGLIST liberally.
This is my mistake, I thought they were regular objects, but apparently
they are not. We don't need to pin them.
Revert "Symbols can move so only cache IDs"
This reverts commit 672ee5f6ed.
* explanation of the class concept, with examples;
* docs for all class methods (most of them just say "Like Enumerable#<methodname>, but chains operation to be lazy-evaluated.", but I believe they are useful this way because now have proper call-sequences and link to corresponding Enumerable's explanations)
* simplified example for ::new to emphasize the main concept
* Enumerable#lazy docs are slightly lightened and linked to this class for more in-depth explanations.
[Misc #15529][ruby-core:91046]
Co-authored-by: zverok <zverok.offline@gmail.com>
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67320 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
A Yielder object can now be directly passed to another method as a
block argument.
```ruby
enum = Enumerator.new { |y|
Dir.glob("*.rb") { |file|
File.open(file) { |f| f.each_line(&y) }
}
}
```
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67211 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Reject ArithmeticSequence in rb_range_values so that methods like
Array#[] raises TypeError for ArithmeticSequence as an index.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66478 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Fix the wrong uses of rb_int_ge in arith_seq_each.
[ruby-core:90648] [Bug #15444]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66474 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Add rb_arithmetic_sequence_components_t struct for encapsulating
the components of ArithmeticSequence.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66353 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
New public C-API for extracting components of Enumerator::ArithmeticSequence
or Range.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66351 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Especially over checking argc then calling rb_scan_args just to
raise an ArgumentError.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66238 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* enumerator.c (enum_chain_total_size): use RARRAY_AREF
instead of RARRAY_PTR_USE because we don't need non-const
ptr.
* enumerator.c (enum_chain_each): ditto.
* enumerator.c (enum_chain_rewind): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66148 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
No point in having rb_intern lookup and cache a predefined ID
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66050 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
They return an Enumerator::Chain object which is a subclass of
Enumerator, which represents a chain of enumerables that works as a
single enumerator.
```ruby
e = (1..3).chain([4, 5])
e.to_a #=> [1, 2, 3, 4, 5]
e = (1..3).each + [4, 5]
e.to_a #=> [1, 2, 3, 4, 5]
```
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65949 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
When each() takes arguments, it is never safe to assume that the iteration
would repeat the same number of times as with each() without any
argument. Actually, there is no way to get the exact number, so the
size should be set to nil to denote that.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65302 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Make sure Enumerator::ArithmeticSequence#each to work well
for a complex step value.
This reverts commit ca47fb329a.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64695 b2dd03c8-39d4-4d8f-98ff-823fe69b080e