ExtractValuesMatchingKeys returns a collection of values which matched a specified set of keys, in the exact order of keys.

HumanReadableBytes converts a byte count into a human-readable string, e.g.

MapCollectionWithLookups does a 'map' operation over the collection, transforming each input row into an output row according to `mapper`, however it also provides the ability to collect ID's of related items as it iterates the collection, and call out to lambdas to look those values up.

ReadValuesFromPipe will return an array of strings from the pipe input separated by new line.

SliceContains returns true if it finds an item in the slice that is equal to the target.

SliceContainsAll returns true if it finds that all items in the slice for which `predicate` returns true.

SliceContainsAny returns true if it finds an item in the slice where `predicate` returns true.

SliceFilter takes an input collection and returns elements where `predicate` returns true Known as 'filter' in most other languages or 'Select' in C# Linq.

SliceTransform takes an input collection, applies the transform function to each row, and returns the output.