{"ast_node_type":"function","tokens":[{"end":35,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn is_1zst(&self) -> bool {
    /// Returns `true` if the type is sized and a 1-ZST (meaning it has size 0 and alignment 1).
        self.is_sized() && self.size.bits() == 0 && self.abi_align == 1