Array and Range are enumerable types. map with a block returns an Array. map! mutates the original array. Where is this helpful, and what is the ... ... <看更多>

package main. import "fmt". /**. * Ruby code below. How to do equivalent in Go? people = [. {. first: "Nic",. last: "Williams". } ... ... <看更多>

Even so, Ruby, the object-oriented-est of all object-oriented programming ... #map (or #collect ) returns an array containing the results of ... ... <看更多>

My implementation is very similar to yours, with only a few small tweaks: module Enumerable def map_with(accessor, default_value: nil) map ... ... <看更多>