Lodash.findIndex

This method is like _.find except that it returns the index of the first element predicate returns truthy for instead of the element itself.

struct Lodash

nothrow @trusted @safe ref

findIndex

(

T = Any

U = Any

)

(

auto ref T predicate = T.init

auto ref U fromIndex = U.init

)

Return Value

- Lodash chained on (number): the index of the found element, else -1.