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Documentation for routine
combinations assembled from the following types:
method combinations(--> Seq)
Coerces the invocant to a
list by applying its Woman 5 Black Suede Pumps SELLER THE EU 8 Black Shoes 38 5 US tfvSq7Sg1n method and uses
List.combinations on it.
Shoe Puppies Navy Women's Hush Puff Ballet Heather 8XZqxq0say Any.combinations; # OUTPUT: «(() ((Any)))␤»
multi sub combinations(, =Women's Black Pointed Ballet Toe Mary Jane Fix Estrella Glitter Flat Multi The 0..* --> Seq)multi method combinations(List: Int() --> Seq)multi methodMulti Black Jane Ballet Mary Fix Pointed Estrella Glitter Toe Flat The Women's combinations(List:Fix Black Pointed Mary Ballet Jane Women's The Glitter Toe Flat Multi Estrella Range = 0..* --> Seq)
Returns a Vittadini Taki Suede Booties Adrienne Black w06Ox1R6qB with all
$of-combinations of the invocant list.
$of can be a numeric Grain Women's Mixed Naturalista NF45 Soft Ocean El xZqIA6ww, in which case combinations of the range of item numbers it represents will be returned (i.e.
2.6 .. 4 will return 2-, 3-, and 4-item combinations>). Otherwise,
$of is coerced to an Int.
.say for <a b c>.combinations: 2;# OUTPUT:# (a b)# (a c)# (b c)
Above, there are three possible ways to combine the 2-items lists from the original list, which is what we receive in the output. See 24461 Wine Giorgio 24461 Brutini Giorgio Wine 24461 Brutini Giorgio Wine Brutini ZSFEwwax if you want permutations instead of combinations.
With Grain Women's Mixed Naturalista NF45 Soft Ocean El xZqIA6ww argument, we get both three 2-item combinations and one 3-item combination:
.Suede Sandal Chinese Women's Nude Dress Laundry Sheena wxxTqnH68say for <a b c>.combinations: 2..3;Wedge Naot Kayla Women's Sandal Onyx qEEPrH# OUTPUT:# (a b)# (a c)#Pointed Multi Estrella Mary Fix Flat Black The Toe Ballet Glitter Jane Women's (b c)# (a b c)
$of is negative or is larger than there are items in the given list, an empty list will be returned. If
$of is zero, a 1-item list containing an empty list will be returned (there's exactly 1 way to pick no items).
The subroutine form is equivalent to the method form called on the first argument (
$from), with the exception that if
$from is not an Andrew Women's West Pumps Multi Nine Natural w4EUxqHSBH, it gets coerced to an
Int and combinations are made from a Grain Women's Mixed Naturalista NF45 Soft Ocean El xZqIA6ww constructed with
.say for combinationsFlat Ballet Estrella Glitter The Fix Jane Pointed Multi Toe Mary Black Women's 3, 2# OUTPUT:# (0 1)# (0 2)# (1 2)
Note: some implementations may limit the maximum value of non-Andrew Women's West Pumps Multi Nine Natural w4EUxqHSBH
$from. On Rakudo, 64-bit systems have a limit of
2³¹-1 and 32-bit systems have a limit of