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<@U1DFC2HAT> `::` requires something on the left-...
# getting-started
i
ilya.gorbunov
10/13/2016, 5:50 PM
@goncalossilva
::
requires something on the left-hand side of it. In your case it is
String
from which you get an unbound reference to its
isEmpty
or
isNotEmpty
function.
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