syntax_data: {"ast_node_type":"other","tokens":[{"end":105,"kind":"keyword","start":0,"text":"`shallow`"}]}
source_snippet:         `shallow` prints only type names, `none` prints nothing and disables `{:?}`. (default: `full`)"),
context_before:         "how detailed `#[derive(Debug)]` should be. `full` prints types recursively, \
context_after:     force_unstable_if_unmarked: bool = (false, parse_bool, [TRACKED],