feat: improve wasi_common::ErrorKind derives
Besides the standard traits (Copy, Clone, PartialEq and Eq), we also mark
the trait as non-exhaustive so that we can add errors in the future
without breaking API.
@@ -28,7 +28,8 @@ pub use anyhow::{Context, Error};
/// Internal error type for the `wasi-common` crate.
/// Contains variants of the WASI `$errno` type are added according to what is actually used internally by
/// the crate. Not all values are represented presently.
-#[derive(Debug, thiserror::Error)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq, thiserror::Error)]
+#[non_exhaustive]
pub enum ErrorKind {
/// Errno::WouldBlk: Would block
#[error("WouldBlk: Would block")]
