Type for the entry's key passed in params.
Type for the entry's value passed in params.
A user-defined type where to accumulate the transformations.
The object to iterate over.
The function invoked per iteration.
The custom transformation value.
The accumulated value.
Transforms
sourceto a newtransformationResultobject which is the result of running each of its own enumerable string keyed properties throughiteratee, with each invocation potentially mutating theTransformationResultobject.