module Functions::Prelude
Constants
- After
composes two functions in reverse sequence
- AfterCurried
manually curried Version of the
After
composition function- Average
- Chain
reduce a list of functions right to left
- Compose
composes two functions
- ComposeCurried
manually curried version of the
Compose
function- Const
the constant function
- Count
count_by = ->(f) { group_by.( f ) < map_hash.( send.(:length) ) }
- CountBy
- Divide
- Divisors
- Filter
- Flatten
Flattens an array
@param [#flatten] the array to flatten
- Foldl
- Foldr
- FromOneTo
- FromTo
- Gcd
- GcdA
- Group
- Id
the identity function
- Intersect
- IsDivisor
- Lcm
- LcmA
- Length
Returns the length
- Map
- MapHash
- Max
- Maybe
make a function resilient to nil inputs
- Merge
merges two list by the natural comparison operator <
- MergeBy
merges two ordered lists by a function f that compares the values if no function is given the values are compared by the “<” operator
- MergeHash
- MergeSort
- MergeSortBy
- Min
- Multiply
- Pair
- Par
- Partition
TODO investigate semantics
- Power
- QuickSort
- QuickSortBy
Merge_Sort_By.partial(Identity)¶ ↑
- ReduceLeft
- ReduceRight
- Reverse
Reverses an array
@param [#reverse] the array to reverse
- Send
sends the message m to an object o
@param [Symbol] the method to be called on the object o @return the result of calling the message m on the object o
- SplitIn
splits a list xs in peices of size n
- SplitInHalf
splits a list in half
- Sum
- To_Float
- Values
- Zip
- ZipHashInner
- ZipHashLeft
- ZipHashRight