Created
May 10, 2012 22:18
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Symbol#to_proc .inject
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| a = [1,2,3,4,5] | |
| # Sum | |
| a.inject(&:+) | |
| # => 15 | |
| # Product | |
| a.inject(&:*) | |
| # => 120 | |
| b = [true,true,false] | |
| # Logical And | |
| b.inject(&:&) | |
| # => false |
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