All elements are equal to
At least one element is equal to
Stream contains at least one occurrence of
Channels: Once true, will never produce any other value.,
Buffers: When the item is removed, it will produce false.
Count number of occurrence of
Channels: With every matching element, the counter is increased.,
Buffers: When the element is removed, the counter is decreased.
Checks for existence of a value for which
f is true
Only include elements for which
f is true
f is true for all elements
Partial channels: Produce true if the current value is cleared.,
Channels: Produce false with the first received value.,
Buffers: Produce a new value once a row is added or removed.
Returns key set
f on each value
f on each key
Negation of isEmpty
Partitions stream into two sub-stream
State channels: Produce when a new child is attached and if the size changes. In org.widok.Opt the size is reset if the value is cleared.,
Channels: The size is only produced in response to each received value on the channel.,
Buffers: Produce the row count once a row is added or removed.
key and encapsulate its value states in a partial channel