syntax_data: {"ast_node_type":"variable","tokens":[{"end":76,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let z = Self::from_big_endian(order, [_0, 0x01..=0x10, BYTE, BYTE]);
context_before:         let y = Self::from_big_endian(order, [_0, _0, 0xE0..=0xFF, BYTE]);
context_after:         Self::alt([x, y, z])