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24 lines
759 B
Plaintext
24 lines
759 B
Plaintext
ri--Ruby Interactive reference
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ri displays descriptions of Ruby's built-in methods, classes, and
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modules. Run "ri each_with_index" and you get:
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--------------------------------------------------------
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enumObj.each_with_index {| obj, i | block } -> nil
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--------------------------------------------------------
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Calls block with two arguments, the item and its index,
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for each item in enumObj.
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hash = Hash.new
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%w(cat dog wombat).each_with_index {|item, index|
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hash[item] = index
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}
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hash #=> {"dog"=>1, "wombat"=>2, "cat"=>0}
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Emacs interface by David Alan Black <dblack@candle.superlink.net> is
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also bundled.
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WWW: http://www.pragmaticprogrammer.com/ruby/downloads/ri.html
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Author: The Pragmatic Programmers, LLC
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