[LRUG] Understanding Ruby Tempfile documentation

[Jonathon Horsman]

Hi

Trying to understand Tempfile, so reading the docs:

http://docs.ruby-lang.org/en/2.2.0/Tempfile.html

I assume it's a subclass of IO, but I can't see any mention of this.

It does however say:

*Parent:*
*DelegateClass(File)*

what does this mean?

Thanks in advance

Jonno
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