Next

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The package calculates asynchronously combinations and permutations of a collection of values.

To add the package recommended:

go get klaidliadon.dev/next

Functionalities

  • Combinations
  • Combinations with repetitions
  • Permutations
  • Permutations with repetitions

Usage

Just use create a new channel using Combination() or Permutation() and receive the results.

package main

import (
    "fmt"
    "klaidliadon.dev/next"
)

func main() {
    for v := range next.Combination([]interface{}{1,2,3,4}, 2, true) {
        fmt.Println(v)
    }
}

Produces

[1 1]
[1 2]
[1 3]
[1 4]
[2 2]
[2 3]
[2 4]
[3 3]
[3 4]
[4 4]

Roadmap

The 4 main cases of combinatronics are covered:

The future updates will improve performance and memory usage.