Bug #21652: Marshal#dump documentation out-of-date/unclear regarding Data class

• Status: Open
• Assignee: -
• Target version: -
• ruby -v: ruby 3.2.2 (2023-03-30 revision e51014f9c0) [x86_64-linux]
• Backport: 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN

[ryannevell (Ryan Nevell)]

With the introduction of the Data class in Ruby 3.2, the Marshal#dump documentation is confusing since it claims that "Marshal can’t dump ... an instance of ... Data". It is even cross-linked to the new Data class. However, and thankfully, Marshal#dump does not have any issues serializing instances of Data or objects of the defined Data types. This message predates the introduction of the Data class, and likely refers to wrapped C data (T_DATA), instead.