{"ast_node_type":"function","tokens":[{"end":52,"kind":"keyword","start":0,"text":"fn"}]}
    fn hash<H: hash::Hasher>(&self, state: &mut H) {
impl hash::Hash for InitMaskMaterialized {
        const MAX_BLOCKS_TO_HASH: usize = super::MAX_BYTES_TO_HASH / size_of::<Block>();