(1..10).map(&:to_s) Developer T-Shirt
(1..10).map(&:to_s) turns a range into an array of strings in a single expression. No loop, no block body — &:to_s passes the method itself as the operation.
It's a small example of how Ruby reads: iteration, blocks, and symbol-to-proc shorthand condensed into one line that does exactly what it says. The kind of thing other languages take a loop and a few lines to express.
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