3 ms·

Just parameters that are functions, except that you can only have one per function. I still fail to see the advantage of blocks over being able to pass function

• kbp 8y ago
  One nice feature of blocks is that `return` will return from the enclosing function, rather than the block, so you can write: def find(x, l) l.each do |y| return y if y == x end end Where in Lisp you'd use (return-from find x) and in other languages you might pass in a continuation or use a special return value protocol. It's a nice solution for higher order functions that are supposed to feel more language-level. Also, you can pass functions as arguments like in other languages; lambdas behave like you would expect them to.