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1296 packages found
Detect native async/await support.
Invoke a function until a test condition is true.
If a predicate function returns a truthy value, invoke `x`; otherwise, invoke `y`.
Function sequence.
- stdlib
- stdutils
- stdutil
- utilities
- utils
- util
- asynchronous
- async
- sequence
- seq
- pipe
- pipeline
- pipelining
- function
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If a predicate function returns a truthy value, return `x`; otherwise, return `y`.
Invoke a function until a test condition is true.
Function composition.
- stdlib
- stdutils
- stdutil
- utilities
- utils
- util
- asynchronous
- async
- compose
- composition
- function
- fun
- func
- fcn
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Invoke a function while a test condition is true.
If a function does not return an error, invoke a callback with the function result; otherwise, invoke a callback with a value `y`.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- asynchronous
- async
- try
- catch
- try-catch
- trap
- control
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Invoke a function while a test condition is true.
If a function does not return an error, invoke a callback with the function result; otherwise, invoke a second function.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- asynchronous
- async
- try
- catch
- then
- try-catch
- try-then
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Test whether a collection contains `n` elements which pass a test implemented by a predicate function.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- async
- asynchronous
- test
- predicate
- some
- array.some
- every
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Group values according to an indicator function and return group counts.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- group
- groupby
- group-by
- count
- count-by
- aggregate
- partition
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Invoke a function once for each element in a collection, iterating from right to left.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- for
- each
- right
- foreach
- foreachright
- array.foreach
- array.foreachright
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Apply a function against an accumulator and each element in a collection and return the accumulated result, iterating from right to left.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- asynchronous
- async
- reduce
- right
- reduceright
- reducer
- reduction
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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
- async
- asynchronous
- test
- predicate
- any
- right
- array.some
- View more
Invoke a function once for each element in a collection.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- for
- each
- foreach
- array.foreach
- async
- asynchronous
- iterate
- View more
Test whether at least one element in a collection passes a test implemented by a predicate function.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- async
- asynchronous
- test
- predicate
- any
- array.some
- iterate
- View more
Invoke a function n times and return an array of accumulated function return values.
Generate a frequency table according to an indicator function.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- tabulate
- table
- frequency
- frequencies
- aggregate
- partition
- summarize
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