combinatorics

import hashes
import combinatorics
echo()
echo "testing permutations"
echo()
# https://bitbucket.org/nimcontrib/nimcombinatorics


let cc = @["a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"]

let ts = "efghi"   # a string which will be hit early

let okhash = hash(ts)
var ms = ""
var trials = 0

for x in permutations[string](cc):
    for z in x:
         ms = ms & z
         if ms.len == ts.len:
             inc trials
             echo "Trials : ",trials,"  ms : ",ms
             if hash(ms) == okhash:
                     echo()
                     echo ms,"   hash : ",okhash
                     echo "trials : ",trials
                     quit(0)
             else:  ms = ""