impl From<syn::Error> for Error #116
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`syn` provides useful functions for low-level AST parsing that go beyond what `darling` attempts to support natively. In these cases, a caller may want to propagate a `syn::Error` up through a function that returns a `darling::Result`. This new impl guarantees lossless handling, emitting the same compiler error is emitted as if the `syn::Error::to_compile_error` had been called directly.
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Merging before CI completion after local testing against 1.31.0 and stable without issue. Filed #117 to address the unacceptable slowness of Travis-CI. |
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synprovides useful functions for low-level AST parsing that go beyondwhat
darlingattempts to support natively. In these cases, a callermay want to propagate a
syn::Errorup through a function that returnsa
darling::Result.This new impl guarantees lossless handling, emitting the same compiler
error is emitted as if the
syn::Error::to_compile_errorhad beencalled directly.