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where

Filters list elements based on a predicate.

where(xs:list, any->bool) -> list

The where function keeps only elements of a list for which a predicate evaluates to true.

A list of values.

A lambda function that is evaluated for each list element.

from {
xs: [1, 2, 3, 4, 5]
}
xs = xs.where(x => x > 3)
{
xs: [4, 5]
}

map

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