{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"///"}]}
    /// A float literal (`1.0`, `1f64` or `1E10f64`). The pre-suffix part is
    Int(Pu128, LitIntType),
    /// stored as a symbol rather than `f64` so that `LitKind` can impl `Eq`