def

func:find

Find the first matching item in a list or grid by applying the given filter function. If no match is found return null.

If working with a list, the filter should be a function that takes (val) or (val, index). It should return true to match and return the item.

If working with a dict, the filter should be a function that takes (val) or (val, name). It should return true to match and return the item.

If working with a grid, the filter function takes (row) or (row, index) and returns true to match and return the row.

If working with a stream, the filter takes (val) and returns true to match. See Streams.

Examples:

// find first string longer than 3 chars
["ape", "bat", "charlie", "dingo"].find(x => x.size > 3)

// find first odd number
[10, 4, 3, 7].find(isOdd)

feature	Feature namespace of definitions formatted as `feature:name`
func	Axon function