all-permutations ( seq -- seq' ) (original) (raw)
all-permutations ( seq -- seq' )
Vocabulary
math.combinatorics
Inputs
| seq | a sequence |
|---|
Outputs
| seq' | a sequence |
|---|
Word description
Outputs a sequence containing all permutations of seq in lexicographical order.
Examples
USING: math.combinatorics prettyprint ; { 0 1 2 } all-permutations .
{ { 0 1 2 } { 0 2 1 } { 1 0 2 } { 1 2 0 } { 2 0 1 } { 2 1 0 } }
Definition
: all-permutations ( seq -- seq' ) [ ] map-permutations ;