array->contains

Tests array membership.

Target member

Signature

1array->contains(matching)

Tests array membership.

array->contains is called with member syntax on a receiver value. array->contains is useful when moving through groups of values. Prefer collection operations that match the shape of the data rather than converting everything to strings.

Parameters

matching: Required value. Supply matching positionally unless the signature shows a keyword form.

Examples

Basic call

1array('a','b')->contains('b')

The example shows the normal call shape. Adapt variable names, validation, and surrounding error handling to the context.