--- source: parser/ast_tree_test.rs expression: "a[1]" --- { "Program": { "type": "Program", "body": [ { "type": "Index", "object": { "type": "IDENTIFIER", "name": "a", "span": { "start": 0, "end": 1 } }, "index": { "type": "Integer", "raw": 1, "span": { "start": 2, "end": 3 } }, "span": { "start": 1, "end": 4 } } ], "span": { "start": 0, "end": 5 } } }