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Functional Programming in Scheme Name binding, Recursion, Iteration, and Continuations * Name binding constructs The let name binding expression The equivalent meaning of let Examples with let name binding The let* name binding construct An example with let* The letrec namebinding construct LAML time functions * Conditional expressions Conditional expressions Examples with if Example with cond: leap-year? Example with cond: american-time Example with cond: as-string * Recursion and iteration Recursion List processing Tree processing (1) Tree processing (2) Recursion versus iteration Example of recursion: number-interval Examples of recursion: string-merge Examples with recursion: string-of-char-list? Exercises * Example of recursion: Hilbert Curves Hilbert Curves Building Hilbert Curves of order 1 Building Hilbert Curves of order 2 Building Hilbert Curves of order 3 Building Hilbert Curves of order 4 A program making Hilbert Curves * Continuations Introduction and motivation The catch and throw idea A catch and throw example The intuition behind continuations Being more precise The capturing of continuations Capturing, storing, and applying continuations Use of continuations for escaping purposes Practical example: Length of an improper list Practical example: Searching a binary tree

Recursion and iteration