> Most programmers shouldn't be writing their own lists, hash maps, b-trees, sort algorithms, etc. Or generally reinvent wheels. Of course one should not reinv

> Most programmers shouldn't be writing their own lists, hash maps, b-trees, sort algorithms, etc. Or generally reinvent wheels. Of course one should not reinvent the wheels. But understanding tricks and idioms used in these algorithms are useful elsewhere and in general helps you grow as a programmer.