in propfuzz-macro/src/config.rs [46:55]
fn apply_arg(&mut self, arg: &NestedMeta, errors: &mut ErrorList) {
match arg {
NestedMeta::Meta(meta) => {
self.apply_meta(meta, errors);
}
NestedMeta::Lit(meta) => {
errors.combine(Error::new_spanned(meta, "expected key = value format"));
}
}
}