{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"///"}]}
    /// this lang item, passing it the `argc` and `argv` (or null, if those don't exist
    /// The exact name and signature are target-dependent. The "main" function will invoke
    /// on the current target) as well as the user-defined `fn main` from the binary crate.