Int -> a -> [a] -parallel
replicate n x is a list of length n with x the value of every element. It is an instance of the more general Data.List.genericReplicate, in which n may be of any integral type.
drop n xs returns the suffix of xs after the first n elements, or  if n > length xs:
> drop 6 "Hello World!" == "World!"
> drop 3 [1,2,3,4,5] == [4,5]
> drop 3 [1,2] == 
> drop 3  == 
> drop (-1) [1,2] == [1,2]
> drop 0 [1,2] == [1,2]
It is an instance of the more general Data.List.genericDrop, in which n may be of any integral type.
take n, applied to a list xs, returns the prefix of xs of length n, or xs itself if n > length xs:
> take 5 "Hello World!" == "Hello"
> take 3 [1,2,3,4,5] == [1,2,3]
> take 3 [1,2] == [1,2]
> take 3  == 
> take (-1) [1,2] == 
> take 0 [1,2] == 
It is an instance of the more general Data.List.genericTake, in which n may be of any integral type.
O(n) Splits a Text into components of length k. The last element may be shorter than the other chunks, depending on the length of the input. Examples:
> chunksOf 3 "foobarbaz" == ["foo","bar","baz"]
> chunksOf 4 "haskell.org" == ["hask","ell.","org"]
Generates a list of the given length.
count n p parses n occurrences of p in sequence. A list of results is returned.
replicateM n act performs the action n times, gathering the results.
The intersperse function takes an element and a list and `intersperses' that element between the elements of the list. For example,
> intersperse ',' "abcde" == "a,b,c,d,e"
asTypeOf is a type-restricted version of const. It is usually used as an infix operator, and its typing forces its first argument (which is usually overloaded) to have the same type as the second.
O(log n). Retrieve an element by its index, i.e. by its zero-based index in the sorted sequence of elements. If the index is out of range (less than zero, greater or equal to size of the set), error is called.
> elemAt 0 (fromList [5,3]) == 3
> elemAt 1 (fromList [5,3]) == 5
> elemAt 2 (fromList [5,3]) Error: index out of range
Evaluates its first argument to head normal form, and then returns its second argument as the result.
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