rt::io: Add Bytes iterator for Reader #8935
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An iterator that simply calls
.read_bytes()
each iteration.I think choosing to own the Reader value and implementing Decorator to
allow extracting it is the most generically useful. The Reader type
variable can of course be some kind of reference type that implements
Reader.
In the generic form the
Bytes
iterator is well behaved itself and does not read ahead.It performs abysmally on top of a FileStream, and much better if a buffering reader is inserted inbetween.