| 언어
|
Left fold
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Right fold
|
Left fold (초기값 없음)
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Right fold (초기값 없음)
|
Unfold
|
| APL
|
func⍨/⌽initval,vector
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func/vector,initval
|
func⍨/⌽vector
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func/vector
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| C# 3.0
|
ienum.Aggregate(initval, func)
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ienum.Reverse().Aggregate(initval, func)
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ienum.Aggregate(func)
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ienum.Reverse().Aggregate(func)
|
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| C++
|
std::accumulate(begin, end, initval, func)
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std::accumulate(rbegin, rend, initval, func)
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|
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| C++17
|
(initval op ... op pack)
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(pack op ... op initval)
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(... op pack)
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(pack op ...)
|
|
| CFML
|
obj.reduce(func,initial)
|
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obj.reduce(func)
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| Clojure
|
(reduce func initval list)
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(reduce func initval (reverse list'))
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(reduce func list)
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(reduce func" (reverse list))
|
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| Common Lisp
|
(reduce func list :initial-value initval)
|
(reduce func list :from-end t :initial-value initval)
|
(reduce func list)
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(reduce func list :from-end t)
|
|
| Curl
|
{{TreeNode.default treeNode ...} .to-Iterator}
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{{TreeNode.default treeNode ...} .reverse}.to-Iterator}
|
{for {treeNode.to-Iterator} do}
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{for {{treeNode.reverse}.to-Iterator} do}
|
|
| D
|
reduce!func(initval, list)
|
reduce!func(initval, list.reverse)
|
reduce!func(list)
|
reduce!func(list.reverse)
|
|
| Elixir
|
List.foldl(list, acc, fun)
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List.foldr(list, acc, fun)
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|
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| Elm
|
List.foldl(Fun, Accumulator, List)
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List.foldr(Fun, Accumulator, List)
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|
|
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| Erlang
|
lists:foldl(Fun, Accumulator, List)
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lists:foldr(Fun, Accumulator, List)
|
|
|
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| F#
|
Seq/List.fold func initval list
|
List.foldBack func list initval
|
Seq/List.reduce func list
|
List.reduceBack func list
|
Seq.unfold func initval
|
| Gosu
|
Iterable.fold(f(agg, e))Iterable.reduce(init, f(agg, e)) Iterable.partition(f(e))
|
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|
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|
| Groovy
|
list.inject(initval, func)
|
list.reverse().inject(initval, func)
|
list.inject(func)
|
list.reverse().inject(func)
|
|
| Haskell
|
foldl func initval list
|
foldr func initval list
|
foldl1 func list
|
foldr1 func list
|
unfoldr func initval
|
| Haxe
|
Lambda.fold(iterable, func, initval)
|
|
|
|
|
| J
|
verb~/|. initval,array
|
verb/ array,initval
|
verb~/|. array
|
verb/ array
|
|
| Java 8+
|
stream.reduce(initval, func)
|
|
stream.reduce(func)
|
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|
JavaScript 1.8
ECMAScript 5
|
array.reduce(func, initval)
|
|
array.reduce(func)
|
|
|
| Julia
|
foldl(op, itr; [init])
|
foldr(op, itr; [init])
|
foldl(op, itr)
|
foldr(op, itr)
|
|
| Kotlin
|
Iterable.fold(initval, func)
|
Iterable.foldRight(initval, func)
|
Iterable.reduce(func)
|
Iterable.reduceRight(func)
|
|
| LFE
|
(lists:foldl func accum list)
|
(lists:foldr func accum list)
|
|
|
|
| Logtalk
|
fold_left(Closure, Initial, List, Result)
|
fold_right(Closure, Initial, List, Result)
|
|
|
|
| Maple
|
foldl(func, initval, sequence)
|
foldr(func, initval, sequence)
|
|
|
|
| Mathematica
|
Fold[func, initval, list]
|
Fold[func, initval, Reverse[list]]
|
Fold[func, list]
|
Fold[func, Reverse[list]]
|
NestWhileList[func,, initval, predicate]
|
| MATLAB
|
fold(@func, list, defaultVal)
|
fold(@func, flip(list), defaultVal)
|
fold(@func, list)
|
fold(@func, flip(list))
|
|
| Maxima
|
lreduce(func, list, initval)
|
rreduce(func, list, initval)
|
lreduce(func, list)
|
rreduce(func, list)
|
|
| Mythryl
|
fold_left func initval list
vector::fold_left func initval vector
|
fold_right func initval list
vector::fold_right func initval vector
|
|
|
|
| OCaml
|
List.fold_left func initval list
Array.fold_left func initval array
|
List.fold_right func list initval
Array.fold_right func array initval
|
|
|
Base.Sequence.unfold ~init ~f[1]
|
| Oz
|
{FoldL List Func InitVal}
|
{FoldR List Func InitVal}
|
|
|
|
| PARI/GP
|
fold( f, A )
|
|
|
|
|
| Perl
|
reduce block initval, list
|
|
reduce block list
|
|
|
| PHP
|
array_reduce(array, func, initval)
|
array_reduce(array_reverse(array), func, initval)
|
array_reduce(array, func)
|
array_reduce(array_reverse(array), func)
|
|
| Python 2.x
|
reduce(func, list, initval)
|
reduce(lambda x,y: func(y,x), reversed(list), initval)
|
reduce(func, list)
|
reduce(lambda x,y: func(y,x), reversed(list))
|
|
| Python 3.x
|
functools.reduce(func, list, initval)
|
functools.reduce(lambda x,y: func(y,x), reversed(list), initval)
|
functools.reduce(func, list)
|
functools.reduce(lambda x,y: func(y,x), reversed(list))
|
|
| R
|
Reduce(func, list, initval)
|
Reduce(func, list, initval, right=TRUE)
|
Reduce(func, list)
|
Reduce(func, list, right=TRUE)
|
|
| Ruby
|
enum.inject(initval, &block)
enum.reduce(initval, &block)
|
enum.reverse_each.inject(initval, &block)
enum.reverse_each.reduce(initval, &block)
|
enum.inject(&block)
enum.reduce(&block)
|
enum.reverse_each.inject(&block)
enum.reverse_each.reduce(&block)
|
|
| Rust
|
iterator.fold(initval, func)
|
iterator.rev().fold(initval, func)
|
|
|
|
| Scala
|
list.foldLeft(initval)(func)
(initval /: list)(func)
|
list.foldRight(initval)(func)
(list :\ initval)(func)
|
list.reduceLeft(func)
|
list.reduceRight(func)
|
|
| Scheme R6RS
|
(fold-left func initval list)
(vector-fold func initval vector)
|
(fold-right func initval list)
(vector-fold-right func initval vector)
|
(reduce-left func defaultval list)
|
(reduce-right func defaultval list)
|
(unfold p f g seed [tail-gen])
unfold-right p f g seed [tail]
(vector-unfold f length initial-seed ···)
(vector-unfold-right f length initial-seed ···)
|
| 스몰토크
|
aCollection inject: aValue into: aBlock
|
|
aCollection reduce: aBlock
|
|
|
| Standard ML
|
foldl func initval list
Array.foldl func initval array
|
foldr func initval list
Array.foldr func initval array
|
|
|
|
| Swift
|
array.reduce(initval, func)
reduce(sequence, initval, func)
|
array.reverse().reduce(initval, func)
|
|
|
|
| XPath 3.1
|
array:fold-left(
$array as array(*),
$zero as item()*,
$f as function(
item()*, item()*
} as item()*
) as item()*
fn:fold-left(
$seq as item()*,
$zero as item()*,
$f as function(
item()*, item()
) as item()*
) as item()*
|
array:fold-right(
$array as array(*),
$zero as item()*,
$f as function(
item()*, item()*
} as item()*
) as item()*
fn:fold-right(
$seq as item()*,
$zero as item()*,
$f as function(
item(), item()*
) as item()*
) as item()*
|
|
|
|
| Xtend
|
iterable.fold(initval,[func])
|
|
iterable.reduce[func]
|
|
|
