このレッスンは、現在英語のみです。
Blocks and iterators
A block is a piece of code you pass to a method, written between { } or do ... end. Ruby's collections are built around blocks, and they turn loops into short, readable lines.
このレッスンは、現在英語のみです。
A block is a piece of code you pass to a method, written between { } or do ... end. Ruby's collections are built around blocks, and they turn loops into short, readable lines.