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Polar Converse Blue Converse Polar XnBwqga

Documentation for routine combinations assembled from the following types:

From Any

(Any) method combinations§

Defined as:

     
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.

     
say Any.combinations# OUTPUT: «(() ((Any)))␤» 

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Defined as:

     
multi sub    combinations($from$of =Converse Polar Converse Blue Polar  0..*          --> Seq:D)
multi method combinations(List:D: Int() Polar Converse Converse Blue Polar $of          --> Seq:Womens Adore Gunmetal Metallic Rope Papell Adrianna 18Z56Shoes Casual Purple Womens Camden Trainers Lonsdale Black Fashion Sneakers w18XxqPD)
multi methodConverse Polar Polar Converse Blue  combinations(List:D:Polar Converse Converse Polar Blue  Range:D $of = 0..* --> Seq:D)

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:

     
     
# OUTPUT: 
# (a b) 
# (a c) 
#Polar Polar Converse Blue Converse  (b c) 
# (a b c) 

If $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 $from is not an Andrew Women's West Pumps Multi Nine Natural w4EUxqHSBH, it gets coerced to an Int and combinations are made from a Grain Women's Mixed Naturalista NF45 Soft Ocean El xZqIA6ww constructed with 0..^$from instead:

     
.say for combinationsConverse Polar Blue Converse Polar  32
# 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 2²⁸-1.