ocean ~master (2021-10-22T21:44:26.740458)
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SortedMap.firstKey
ocean
util
container
SortedMap
SortedMap
Return the first key of the map
class
SortedMap
(K, V, alias Reap = Container.reap, alias Heap = Container.DefaultCollect)
K
firstKey
(
)
Throws
NoSuchElementException where the map is empty
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Return the first key of the map