Ruby Blocks, Procs, and Lambdas

Master Ruby's functional programming features with blocks, procs, and lambdas. These are fundamental to Ruby's expressive and elegant style.

Blocks

Basic Block Syntax

# Block with do...end (multi-line)
[1, 2, 3].each do |num|
  puts num * 2
end

# Block with {...} (single line)
[1, 2, 3].each { |num| puts num * 2 }

Yielding to Blocks