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fn lower_dummy(&mut self, ast_dummy: ast::Dummy) -> LowerResult<hir::Dummy> {
log!(info "entered {}", fn_name!());
let mut hir_dummy = Vec::with_capacity(ast_dummy.len());
for chunk in ast_dummy.into_iter() {
let chunk = self.lower_expr(chunk)?;
hir_dummy.push(chunk);
}
Ok(hir::Dummy::new(hir_dummy))
}