[ruby-core:119250] [Ruby master Bug#20753] [doc] IO::Buffer examples try to write into readonly buffer returned from IO::Buffer.for

[ruby-core:119250] [Ruby master Bug#20753] [doc] IO::Buffer examples try to write into readonly buffer returned from IO::Buffer.for

[hanazuki (Kasumi Hanazuki) via ruby-core]

Issue #20753 has been reported by hanazuki (Kasumi Hanazuki).

----------------------------------------
Bug #20753: [doc] IO::Buffer examples try to write into readonly buffer returned from IO::Buffer.for
https://bugs.ruby-lang.org/issues/20753

* Author: hanazuki (Kasumi Hanazuki)
* Status: Open
* ruby -v: ruby 3.4.0dev (2024-09-18T02:16:22Z master 4797b0704a) +PRISM [x86_64-linux]
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN
----------------------------------------
`IO::Buffer.for` without a block returns a readonly `IO::Buffer`. Some examples in the documentation for `IO::Buffer` write into the readonly buffers, which actually raise an `IO::Buffer::AccessError`.

>From `IO::Buffer#clear`:
> ```
> buffer = IO::Buffer.for('test')
> # =>
> #   <IO::Buffer 0x00007fca40087c38+4 SLICE>
> #   0x00000000  74 65 73 74         test
>
> buffer.clear
> # =>
> #   <IO::Buffer 0x00007fca40087c38+4 SLICE>
> #   0x00000000  00 00 00 00         ....
> ```

>From `IO::Buffer#copy`:
> ```
> string= "data:    "
> # => "data:    "
> buffer = IO::Buffer.for(string)
> buffer.copy(IO::Buffer.for("test"), 5)
> # => 4
> ```

And `IO::Buffer#slice`, which should be fixed along with its implementation #20752



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[ruby-core:119346] [Ruby master Bug#20753] [doc] IO::Buffer examples try to write into readonly buffer returned from IO::Buffer.for

[mame (Yusuke Endoh) via ruby-core]

Issue #20753 has been updated by mame (Yusuke Endoh).

Assignee set to ioquatix (Samuel Williams)

----------------------------------------
Bug #20753: [doc] IO::Buffer examples try to write into readonly buffer returned from IO::Buffer.for
https://bugs.ruby-lang.org/issues/20753#change-109958

* Author: hanazuki (Kasumi Hanazuki)
* Status: Open
* Assignee: ioquatix (Samuel Williams)
* ruby -v: ruby 3.4.0dev (2024-09-18T02:16:22Z master 4797b0704a) +PRISM [x86_64-linux]
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN
----------------------------------------
`IO::Buffer.for` without a block returns a readonly `IO::Buffer`. Some examples in the documentation for `IO::Buffer` write into the readonly buffers, which actually raise an `IO::Buffer::AccessError`.

>From `IO::Buffer#clear`:
> ```
> buffer = IO::Buffer.for('test')
> # =>
> #   <IO::Buffer 0x00007fca40087c38+4 SLICE>
> #   0x00000000  74 65 73 74         test
>
> buffer.clear
> # =>
> #   <IO::Buffer 0x00007fca40087c38+4 SLICE>
> #   0x00000000  00 00 00 00         ....
> ```

>From `IO::Buffer#copy`:
> ```
> string= "data:    "
> # => "data:    "
> buffer = IO::Buffer.for(string)
> buffer.copy(IO::Buffer.for("test"), 5)
> # => 4
> ```

And `IO::Buffer#slice`, which should be fixed along with its implementation #20752



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[ruby-core:119360] [Ruby master Bug#20753] [doc] IO::Buffer examples try to write into readonly buffer returned from IO::Buffer.for

[ioquatix (Samuel Williams) via ruby-core]

Issue #20753 has been updated by ioquatix (Samuel Williams).


https://github.com/ruby/ruby/pull/11737

----------------------------------------
Bug #20753: [doc] IO::Buffer examples try to write into readonly buffer returned from IO::Buffer.for
https://bugs.ruby-lang.org/issues/20753#change-109972

* Author: hanazuki (Kasumi Hanazuki)
* Status: Open
* Assignee: ioquatix (Samuel Williams)
* ruby -v: ruby 3.4.0dev (2024-09-18T02:16:22Z master 4797b0704a) +PRISM [x86_64-linux]
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN
----------------------------------------
`IO::Buffer.for` without a block returns a readonly `IO::Buffer`. Some examples in the documentation for `IO::Buffer` write into the readonly buffers, which actually raise an `IO::Buffer::AccessError`.

>From `IO::Buffer#clear`:
> ```
> buffer = IO::Buffer.for('test')
> # =>
> #   <IO::Buffer 0x00007fca40087c38+4 SLICE>
> #   0x00000000  74 65 73 74         test
>
> buffer.clear
> # =>
> #   <IO::Buffer 0x00007fca40087c38+4 SLICE>
> #   0x00000000  00 00 00 00         ....
> ```

>From `IO::Buffer#copy`:
> ```
> string= "data:    "
> # => "data:    "
> buffer = IO::Buffer.for(string)
> buffer.copy(IO::Buffer.for("test"), 5)
> # => 4
> ```

And `IO::Buffer#slice`, which should be fixed along with its implementation #20752



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[ruby-core:119737] [Ruby master Bug#20753] [doc] IO::Buffer examples try to write into readonly buffer returned from IO::Buffer.for

[ioquatix (Samuel Williams) via ruby-core]

Issue #20753 has been updated by ioquatix (Samuel Williams).

Status changed from Open to Closed

Thanks for your report, this is now fixed.

----------------------------------------
Bug #20753: [doc] IO::Buffer examples try to write into readonly buffer returned from IO::Buffer.for
https://bugs.ruby-lang.org/issues/20753#change-110402

* Author: hanazuki (Kasumi Hanazuki)
* Status: Closed
* Assignee: ioquatix (Samuel Williams)
* ruby -v: ruby 3.4.0dev (2024-09-18T02:16:22Z master 4797b0704a) +PRISM [x86_64-linux]
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN
----------------------------------------
`IO::Buffer.for` without a block returns a readonly `IO::Buffer`. Some examples in the documentation for `IO::Buffer` write into the readonly buffers, which actually raise an `IO::Buffer::AccessError`.

>From `IO::Buffer#clear`:
> ```
> buffer = IO::Buffer.for('test')
> # =>
> #   <IO::Buffer 0x00007fca40087c38+4 SLICE>
> #   0x00000000  74 65 73 74         test
>
> buffer.clear
> # =>
> #   <IO::Buffer 0x00007fca40087c38+4 SLICE>
> #   0x00000000  00 00 00 00         ....
> ```

>From `IO::Buffer#copy`:
> ```
> string= "data:    "
> # => "data:    "
> buffer = IO::Buffer.for(string)
> buffer.copy(IO::Buffer.for("test"), 5)
> # => 4
> ```

And `IO::Buffer#slice`, which should be fixed along with its implementation #20752



-- 
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