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自身が持つメタデータ(他から任意の値を設定してもよい)を返します。
自身が持つメタデータ(他から任意の値を設定してもよい)を返します。 -
NEWS for Ruby 3
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NEWS for Ruby 3.0.0 このドキュメントは前回リリース以降のバグ修正を除くユーザーに影響のある機能の変更のリストです。
...ストはリンク先を参照してください。
== 言語仕様の変更
* Keyword arguments are now separated from positional arguments.
Code that resulted in deprecation warnings in Ruby 2.7 will now
result in ArgumentError or different behavior. 14183
* Procs accepting a single......shown by default (since Ruby 2.7.2).
Turn them on with `-W:deprecated` (or with `-w` to show other warnings too).
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* `$SAFE` and `$KCODE` are now normal global variables with no special behavior.
C-API methods related to `$SAFE` have been removed.
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* yield in sin......y or a bitmap image, between extension libraries. The extension libraries can share also the metadata of the memory area that consists of the shape, the element format, and so on. Using these kinds of metadata, the extension libraries can share even a multidimensional array appropriately. This featu...