InputValueValidator: impl for MustBeZero
@@ -50,7 +50,7 @@ Here is an example of a custom validator:
```rust
struct MustBeZero {}
-impl InputValueValidator for InputValueValidator {
+impl InputValueValidator for MustBeZero {
fn is_valid(&self, value: &Value) -> Result<(), String> {
if let Value::Int(n) = value {
if n.as_i64().unwrap() != 0 {
