Channels: Skips first count
elements, then stop listening.
Subscribing to it will always yield the last result as
initial value.
Buffers: Creates a sub-buffer without the first count
elements.
Channels: Takes first count
elements, then stop listening.
Subscribing to it will always yield the last result as
initial value.
Buffers: Will always contain the first count
(or less) elements
of the parent buffer.
Take all elements until ch
produces any value