Are languages like Perl, Python, Ruby, Javascript not all "essentially" the same?

Mathematically, yes they are all the same. But that is not what we are talking here.

When a syntax feature is being added to a language. We generally discuss how that can help users avoid writing repeated patterns of code.

In reply to Re^2: RFC: Simulating Ruby's "yield" and "blocks" in Perl by curiousmonk
in thread RFC: Simulating Ruby's "yield" and "blocks" in Perl by LanX

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