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It > supports both fatal errors (which abort the macro expansion immediately > by returning `Err(ErrorGuaranteed)`) and non-fatal ones at at generation > time. These errors are appended to the token stream after generation has > finished normally. This allows giving good errors while still expanding > most of the code as expected to avoid the user encountering additional > errors (for example missing definitions). >=20 > Suggested-by: Gary Guo > Tested-by: Andreas Hindborg > Signed-off-by: Benno Lossin Reviewed-by: Gary Guo > --- > Changes in v3: switch to Gary's suggestion > Changes in v2: added this patch > --- > rust/pin-init/internal/src/diagnostics.rs | 32 +++++++++++++++++++++++ > rust/pin-init/internal/src/lib.rs | 1 + > 2 files changed, 33 insertions(+) > create mode 100644 rust/pin-init/internal/src/diagnostics.rs