stream: abort signal in readable streams
Mostly opened for discussion about semantics.
Are these semantics correct? Do they make sense?
This is WIP: I want to test this thoroughly before considering merging + docs need to be updated.
Checklist
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make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
documentation is changed or added -
commit message follows commit guidelines