commit | 3a36ffa8b5bf7cd329c8834c6b743d6930dad12f | [log] [tgz] |
---|---|---|
author | Ralph Caraveo <deckarep@gmail.com> | Sat Jul 08 02:11:48 2017 |
committer | Ralph Caraveo <deckarep@gmail.com> | Sat Jul 08 02:11:48 2017 |
tree | e54bff711f29ff821935edac62ec5e68e6f716a1 | |
parent | a4b9a94ae3157ef89441395f98c6ab4018fcb26a [diff] | |
parent | a0663d72413df63f403eb902de9bb04fe6ba665d [diff] |
Merge branch 'spakin-master'
The missing set collection for the Go language. Until Go has sets built-in...use this.
Coming from Python one of the things I miss is the superbly wonderful set collection. This is my attempt to mimic the primary features of the set from Python. You can of course argue that there is no need for a set in Go, otherwise the creators would have added one to the standard library. To those I say simply ignore this repository and carry-on and to the rest that find this useful please contribute in helping me make it better by:
I have to give some credit for helping seed the idea with this post on stackoverflow.
Update - as of 3/9/2014, you can use a compile-time generic version of this package in the gen framework. This framework allows you to use the golang-set in a completely generic and type-safe way by allowing you to generate a supporting .go file based on your custom types.
Please see the unit test file for additional usage examples. The Python set documentation will also do a better job than I can of explaining how a set typically works. Please keep in mind however that the Python set is a built-in type and supports additional features and syntax that make it awesome.
requiredClasses := mapset.NewSet() requiredClasses.Add("Cooking") requiredClasses.Add("English") requiredClasses.Add("Math") requiredClasses.Add("Biology") scienceSlice := []interface{}{"Biology", "Chemistry"} scienceClasses := mapset.NewSetFromSlice(scienceSlice) electiveClasses := mapset.NewSet() electiveClasses.Add("Welding") electiveClasses.Add("Music") electiveClasses.Add("Automotive") bonusClasses := mapset.NewSet() bonusClasses.Add("Go Programming") bonusClasses.Add("Python Programming") //Show me all the available classes I can take allClasses := requiredClasses.Union(scienceClasses).Union(electiveClasses).Union(bonusClasses) fmt.Println(allClasses) //Set{Cooking, English, Math, Chemistry, Welding, Biology, Music, Automotive, Go Programming, Python Programming} //Is cooking considered a science class? fmt.Println(scienceClasses.Contains("Cooking")) //false //Show me all classes that are not science classes, since I hate science. fmt.Println(allClasses.Difference(scienceClasses)) //Set{Music, Automotive, Go Programming, Python Programming, Cooking, English, Math, Welding} //Which science classes are also required classes? fmt.Println(scienceClasses.Intersect(requiredClasses)) //Set{Biology} //How many bonus classes do you offer? fmt.Println(bonusClasses.Cardinality()) //2 //Do you have the following classes? Welding, Automotive and English? fmt.Println(allClasses.IsSuperset(mapset.NewSetFromSlice([]interface{}{"Welding", "Automotive", "English"}))) //true
Thanks!
-Ralph