47.2 Comprehensions

• loops comprehensions do: Simple loops.
• loops comprehensions list: List accumulator loops.
• loops comprehensions string: String accumulator loops.
• loops comprehensions vector: Vector accumulator loops.
• loops comprehensions arith: Arithmetic accumulator loops.
• loops comprehensions search: Searching loops.
• loops comprehensions fold: Folding loops.
• loops comprehensions define: Defining new comprehensions.