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wasmtime/crates
Jakub Konka 5f1c0eb86b Generate strerror from witx; tweak Display for WasiError (#832)
This commit introduces two small changes:
* it adds `gen_errno_strerror` to `wig` crate which generates a
  `strerror` function for `__wasi_errno_t` directly from `*.witx`,
  similarly to how it's done in the `wasi` crate
* it tweaks `WasiError` type to include the error message generated
  with `strerror` when displaying the error
2020-01-16 16:39:53 -06:00
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