* [ruby-core:116458] [Ruby master Bug#20216] Circular parameter reference not checked for assignment
@ 2024-01-26 18:25 kddnewton (Kevin Newton) via ruby-core
2024-01-27 9:52 ` [ruby-core:116462] " nobu (Nobuyoshi Nakada) via ruby-core
0 siblings, 1 reply; 2+ messages in thread
From: kddnewton (Kevin Newton) via ruby-core @ 2024-01-26 18:25 UTC (permalink / raw)
To: ruby-core; +Cc: kddnewton (Kevin Newton)
Issue #20216 has been reported by kddnewton (Kevin Newton).
----------------------------------------
Bug #20216: Circular parameter reference not checked for assignment
https://bugs.ruby-lang.org/issues/20216
* Author: kddnewton (Kevin Newton)
* Status: Open
* Priority: Normal
* Backport: 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN
----------------------------------------
I wanted to check if this was a bug or desired.
Usually when you reference a parameter within its own default value (optional positional or optional keyword) it raises a syntax error. This is unless you use it in an assignment, in which case it is not checked. Is this desired? Here's an example:
```ruby
def foo(bar = bar = 1); end
def foo(bar: bar = 1); end
```
I'm not sure what this code is supposed to be doing. I expected it to raise a syntax error.
--
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^ permalink raw reply [flat|nested] 2+ messages in thread
* [ruby-core:116462] [Ruby master Bug#20216] Circular parameter reference not checked for assignment
2024-01-26 18:25 [ruby-core:116458] [Ruby master Bug#20216] Circular parameter reference not checked for assignment kddnewton (Kevin Newton) via ruby-core
@ 2024-01-27 9:52 ` nobu (Nobuyoshi Nakada) via ruby-core
0 siblings, 0 replies; 2+ messages in thread
From: nobu (Nobuyoshi Nakada) via ruby-core @ 2024-01-27 9:52 UTC (permalink / raw)
To: ruby-core; +Cc: nobu (Nobuyoshi Nakada)
Issue #20216 has been updated by nobu (Nobuyoshi Nakada).
They are not "reference"s, I think.
----------------------------------------
Bug #20216: Circular parameter reference not checked for assignment
https://bugs.ruby-lang.org/issues/20216#change-106483
* Author: kddnewton (Kevin Newton)
* Status: Open
* Priority: Normal
* Backport: 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN
----------------------------------------
I wanted to check if this was a bug or desired.
Usually when you reference a parameter within its own default value (optional positional or optional keyword) it raises a syntax error. This is unless you use it in an assignment, in which case it is not checked. Is this desired? Here's an example:
```ruby
def foo(bar = bar = 1); end
def foo(bar: bar = 1); end
```
I'm not sure what this code is supposed to be doing. I expected it to raise a syntax error.
--
https://bugs.ruby-lang.org/
______________________________________________
ruby-core mailing list -- ruby-core@ml.ruby-lang.org
To unsubscribe send an email to ruby-core-leave@ml.ruby-lang.org
ruby-core info -- https://ml.ruby-lang.org/mailman3/postorius/lists/ruby-core.ml.ruby-lang.org/
^ permalink raw reply [flat|nested] 2+ messages in thread
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