Trait serde_valid::validation::ValidateUniqueItems
source · [−]pub trait ValidateUniqueItems {
fn validate_unique_items(&self) -> Result<(), UniqueItemsError>;
}
Expand description
Uniqueness validation of the array items.
See https://json-schema.org/understanding-json-schema/reference/array.html#unique_items
use serde_json::json;
use serde_valid::{Validate, ValidateUniqueItems};
struct MyType(Vec<i32>);
impl ValidateUniqueItems for MyType {
fn validate_unique_items(&self) -> Result<(), serde_valid::UniqueItemsError> {
self.0.validate_unique_items()
}
}
#[derive(Validate)]
struct TestStruct {
#[validate(unique_items)]
val: MyType,
}
let s = TestStruct {
val: MyType(vec![1, 2, 1]),
};
assert_eq!(
s.validate().unwrap_err().to_string(),
json!({
"errors": [],
"properties": {
"val": {
"errors": ["The items must be unique."]
}
}
})
.to_string()
);