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Rust Docs framing_sv2
#848
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/// - Returns a negative value if the byte slice is smaller than a Noise Frame header; this value | ||
/// represents how many bytes are missing. | ||
/// - Returns a positive value if the byte slice is longer than expected; this value | ||
/// indicates the surplus of bytes beyond the expected size. |
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Note for the future, it could make sense to return a type that encode the above infos: enum Ok, Bigger, Smaller. This would be an API change so for now I would live it like it is
/// deserialized (`self.serialized` is `None`, `self.payload` is `Some()`). | ||
/// This function is only intended as a fast way to get a reference to an | ||
/// already serialized payload. If the frame has not yet been | ||
/// serialized, this function should never be used (it will panic). |
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Can we add a warning here that is printed when compiled? So you have to explicitly opt out from it when you want to use this function?
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sorry @Fi3 I don't fully understand the suggestion
I did some research but couldn't find an easy way to print a warning during compilation.
I only found this pre-RFC which proposes a compile_warning!
macro but it will probably take a long time before this is available.
Do you have some examples on how to achieve this?
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No I was just supposing that it was already doable on stable, maybe we can leave a comment for our future self.
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well, as we already discussed briefly, I believe the framing_sv2
crate should be refactored in the future.
the Frame
trait is forcing Sv2Frame
and HandShakeFrame
to share APIs while they don't really share a lot of common features, and as a consequence we end up with APIs that are inuntuitive and dirty (e.g.: panic on undersired scenarios)
so if we're taking a note for the future, I think we should simply refactor this crate (removing the Frame
trait and re-writing the APIs) so that we don't need to be emitting compilation warnings to avoid footguns
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I wrote a summary of all things to be refactored on framing_sv2
in the future here:
#903
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adds Rust Docs for
framing_sv2
, as described in #845also renames
NoiseFrame
intoHandShakeFrame
the documentation effort was guided by discussion with @Fi3 on #858