adapter-pattern 13 builder-pattern 13 singleton-pattern 13 design-patterns 13 facade-pattern 13 factory-pattern 13 observer-pattern 13 visitor-pattern 12 decorator-pattern 12 strategy-pattern 11 state-pattern 11 proxy-pattern 11 prototype-pattern 11 memento-pattern 11 mediator-pattern 11 design-pattern 11 composite-pattern 11 bridge-pattern 11 abstract-factory-pattern 11 golang 5 tree 2 stack 2 set 2 queue 2 map 2 list 2 iterator 2 iterables 2 iterable 2 go 2 generics 2 generic 2 datastructures 2 data-structures 2 object-oriented-programming 1 design 1