“SICP Chapter 1.3”, Gwern2010-01-09 (Haskell, Scheme Lisp, tutorial; backlinks):
Generalizing functions with hardwired values Chapter 1.3: Formulating Abstractions With Higher-Order Procedures 1.3.1 Exercise 1.29 Exercise 1.30 Exercise 1.31 Monoids Exercise 1.32 With Monoids Exercise 1.33 1.3.2 Exercise 1.34 1.3.3 Backlinks:
Generalizing functions with hardwired values
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