Comments on: Meta-Programming with Ruby

By: The Path to Success | Yatemps Online

The Path to Success | Yatemps Online — Wed, 03 Dec 2008 23:55:40 +0000

[...] Meta Mind Meta Mind Meta Meta-Programming with Ruby Mind [...]

By: Alexei

Alexei — Wed, 29 Oct 2008 11:19:18 +0000

eval -2 + 2" # => 4

must be

eval "2 + 2" # => 4

By: Alexei

Alexei — Wed, 29 Oct 2008 07:19:18 +0000

eval -2 + 2" # => 4

must be

eval "2 + 2" # => 4

By: lomakin

lomakin — Tue, 21 Oct 2008 21:08:11 +0000

Thank you!

By: mguterl

mguterl — Tue, 21 Oct 2008 01:38:27 +0000

Forgive me if I am missing the point, but why would you need the Book#matches method when you could just examine the book itself?

book.matches { |book| book.title == 'War and Peace' }

is identical to

book.title == 'War and Peace'

without the need to call the block... This question is not meant to be rhetorical, I could be entirely missing the point here...

By: Blogsvine

Blogsvine — Mon, 20 Oct 2008 13:41:15 +0000

Meta-Programming with Ruby…

Meta-programming is the writing of computer programs that write or manipulate other programs (or themselves) as their data, or that do part of the work at compile time that is otherwise done at run time. Check out a Ruby example of writing your own DSL…