As the call to `symbol_is_used` does not depend
on the production, it is more efficient to call it
only once outside the loop over productions.
I'm not sure if `rustc` is able to do this optimization
on its own (it would need to know that the function
is pure, which sounds difficult in general).
(cherry picked from commit
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| Cargo.toml | ||
| README.md | ||
Tree-sitter Generate
This helper crate implements the logic for the tree-sitter generate command,
and can be used by external tools to generate a parser from a grammar file.