Update proc macros to syn v2 #2063
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Mar 21, 2024
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This PR updates all the proc-macro crates to syn v2 and improves the error messages while I was already at it!
Previously error handling was handled with simple
panic!s which makes for rather ugly error messages since they don't include spans.This update uses the
manyhowcrate to bringanyhow-like error handling into the proc-macros and produce pretty error messages that point to the exact source of the issue.Before:
After: