Created
August 18, 2010 15:36
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Spell: Symbol to Proc
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# ===================== | |
# Spell: Symbol to Proc | |
# ===================== | |
# Convert a symbol to a block that calls a single method. | |
[1, 2, 3, 4].map(&:even?) # => [false, true, false, true] | |
# For more information: http://www.pragprog.com/titles/ppmetr/metaprogramming-ruby |
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