Module pl.permute

Permutation operations.

Dependencies: pl.utils, pl.tablex

Functions

iter (a) an iterator over all permutations of the elements of a list.
table (a) construct a table containing all the permutations of a list.


Functions

iter (a)
an iterator over all permutations of the elements of a list. Please note that the same list is returned each time, so do not keep references!

Parameters:

  • a list-like table

Returns:

    an iterator which provides the next permutation as a list
table (a)
construct a table containing all the permutations of a list.

Parameters:

  • a list-like table

Returns:

    a table of tables

Usage:

    permute.table {1,2,3} --> {{2,3,1},{3,2,1},{3,1,2},{1,3,2},{2,1,3},{1,2,3}}
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