BiMultiMap.fetch_keys-exclamation-mark
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fetch_keys-exclamation-mark
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Specs
Fetches all keys for specific value
in bimultimap
Raises ArgumentError
if the key is absent. This function is exact mirror of fetch!/2
.
Examples
iex> bimultimap = BiMultiMap.new([a: 1, c: 3, d: 3])
iex> BiMultiMap.fetch_keys!(bimultimap, 1)
[:a]
iex> BiMultiMap.fetch_keys!(bimultimap, 3)
[:c, :d]