Convert an io pipe into a range, with each popFront releasing all the current data and extending a specified amount.
Note that the function may call extend once before returning, depending on whether there is any data present or not.
The chain to use as backing for this range.
See Implementation
Convert an io pipe into a range, with each popFront releasing all the current data and extending a specified amount.
Note that the function may call extend once before returning, depending on whether there is any data present or not.