---
source: crates/biome_json_parser/tests/spec_test.rs
expression: snapshot
---
## Input
```json
[,]
```
## AST
```
JsonRoot {
bom_token: missing (optional),
value: JsonArrayValue {
l_brack_token: L_BRACK@0..1 "[" [] [],
elements: JsonArrayElementList [
missing element,
COMMA@1..2 "," [] [],
],
r_brack_token: R_BRACK@2..3 "]" [] [],
},
eof_token: EOF@3..3 "" [] [],
}
```
## CST
```
0: JSON_ROOT@0..3
0: (empty)
1: JSON_ARRAY_VALUE@0..3
0: L_BRACK@0..1 "[" [] []
1: JSON_ARRAY_ELEMENT_LIST@1..2
0: (empty)
1: COMMA@1..2 "," [] []
2: R_BRACK@2..3 "]" [] []
2: EOF@3..3 "" [] []
```
## Diagnostics
```
array_just_comma.json:1:2 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
× Expected an array, an object, or a literal but instead found ','.
> 1 │ [,]
│ ^
i Expected an array, an object, or a literal here.
> 1 │ [,]
│ ^
array_just_comma.json:1:3 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
× Expected an array, an object, or a literal but instead found ']'.
> 1 │ [,]
│ ^
i Expected an array, an object, or a literal here.
> 1 │ [,]
│ ^
```