> Minimise as much as possible the different interfaces necessary and reuse them. Very very strongly agree. As a corollary a small number of too simple interfa

> Minimise as much as possible the different interfaces necessary and reuse them. Very very strongly agree. As a corollary a small number of too simple interfaces is better than a larger number of more sophisticate interfaces. "It is better to have 100 functions operate on one data structure than to have 10 functions operate on 10 data structures." - Alan Perlis' Epigrams on Programming (1982).