add an example to explain std::io::Read::read returning 0 in some cases #85288
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r? @dtolnay (rust-highfive has picked a reviewer for you, use r? to override) |
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the example focuses on Linux, but that should be enough to explain how the behaviour can change
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Thanks for adding this comment. FWIW, I found it informative: I learned something I didn't know about files, and also I understand the reason for the "intermittent 0" behavior better. |
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@bors r+ rollup |
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📌 Commit 95ccdb1 has been approved by |
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Rollup of 6 pull requests Successful merges: - rust-lang#84758 (MSVC: Avoid using jmp stubs for dll function imports) - rust-lang#85288 (add an example to explain std::io::Read::read returning 0 in some cases) - rust-lang#85334 (Add doc aliases to `unit`) - rust-lang#85525 (Fix my mailmap entry) - rust-lang#85571 (Remove surplus prepend LinkedList fn) - rust-lang#85575 (Fix auto-hide for implementations and implementors.) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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I have always found the explanation about
Read::readreturning 0 to indicate EOF but not indefinitely, so here's more info using Linux as example. I can also add example code if necessary