Collaboration and iterators

-----------------------------The full array of production arrays--------------------------------functionPermGen (A, n) n= Nor#a--default n is the size of a    ifN <=1  Then        --Printresult (a)        Coroutine.yield(a)--Hanging Machine    Else         fori =1N DoA[n], A[i]= A[i], a[n]--Place the I element at the end of the arrayPermGen (A, n1)--Create an arrangement of the remaining elementsA[n], a[i] = A[i], a[n]--Restore Element I        End    EndEndfunctionPrintresult (a) fori =1, #a Do        Io.write(A[i]," ")    End    Io.write("\ n")Endfunctionpermutation (a)LocalCO =coroutine.create(function() PermGen (a)End)    return function()--iterators            LocalCode, RES =Coroutine.resume(CO)returnResEndEnd forPinchPermutation ({'a','b','C'}) DoPrintresult (P)End

Collaboration and iterators