syntax_data: {"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"#[diag(mir_build_const_param_in_pattern,"}]}
source_snippet: #[diag(mir_build_const_param_in_pattern, code = E0158)]
context_before: #[derive(Diagnostic)]
context_after: pub(crate) struct ConstParamInPattern {