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118 packages found
Invoke a function for each element in a collection.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- for
- each
- foreach
- array.foreach
- iterate
- collection
- array-like
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Invoke a function for each element in a collection, iterating from right to left.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- for
- each
- foreach
- right
- foreachright
- array.foreach
- iterate
- View more
Test whether at least one element in a collection passes a test implemented by a predicate function.
Perform a single-pass map-reduce operation against each element in an array while iterating from right to left and return the accumulated result.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- map
- transform
- map-reduce
- reduce
- reducer
- reduction
- array.map
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Split values into two groups.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- group
- bifurcate
- bifurcation
- aggregate
- partition
- split
- array
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Test whether at least one element in a collection passes a test implemented by a predicate function, iterating from right to left.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- test
- predicate
- any
- anyright
- array.some
- iterate
- collection
- View more
Test whether all elements in a collection fail a test implemented by a predicate function, iterating from right to left.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- test
- predicate
- none
- noneright
- every
- all
- array.every
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Test whether all elements in a collection fail a test implemented by a predicate function.
Reduce the number of dimensions by one of a two-dimensional nested array by applying a function against an accumulator and each element along the innermost dimension and returning the accumulation results as a one-dimensional array.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- reduce
- reducer
- reduction
- array.reduce
- iterate
- aggregate
- accumulator
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Test if a value is an empty array-like object.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- array
- array-like
- empty
- is
- isarraylike
- object
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While a test condition is true, invoke a function for each element in a collection, iterating from right to left.
Convert a collection to an object whose keys are determined by a provided function and whose values are the collection values.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- key
- object
- obj
- convert
- transform
- iterate
- collection
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While a test condition is true, invoke a function for each element in a collection, iterating from right to left.
Test if a value is an array-like object containing only symbols.
Test whether all elements in a collection are falsy.
Test whether a collection contains at least `n` elements which are truthy.
Remove and return the last element of a collection.
Test whether all elements in a collection are truthy.
Group values according to an indicator function.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- group
- groupby
- group-by
- aggregate
- partition
- summarize
- split
- View more
Add one or more elements to the end of a collection.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- push
- append
- extend
- lengthen
- array
- typed array
- typed-array
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