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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

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

Just use create a new channel usingCombination() orPermutation() and receive the results.

package mainimport ("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]

The 4 main cases of combinatronics are covered:

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

The future updates will improve performance and memory usage.