NOTE: this package is not compatible with Elm 0.19.1
Functions to verify properties of a Dict.
Fails if a Dict is empty.
import Dict notEmpty "error" <| Dict.empty --> Err [ "error" ] notEmpty "error" <| Dict.fromList [ (1, 1) ] --> Ok <| Dict.fromList [ (1, 1) ]
Fails if a Dict is empty.