filter

Full name: taxi.stdlib.filter

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Signature

declare extension function <T> filter(collection:T[], callback: (T) -> Boolean):T[]

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Description

Returns a new collection containing only the members of the original collection that match the provided predicate.

This function is used to select a subset of elements from a collection based on a condition.

find { store: Store } as {
   allProducts: store.products // all products
   inStockProducts: store.products.filter((product) -> product.stockLevel > 0)
   affordableProducts: store.products.filter((product) -> product.price < 50.00)
}

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Examples

Filters a collection by predicate, returning only matching elements. Uses type-based lambda for clean, semantic access.