Macro serde_json_lodash::drop_right
source · [−]macro_rules! drop_right {
() => { ... };
($a:expr $(,)*) => { ... };
($a:expr, $b:expr $(,)*) => { ... };
($a:expr, $b:expr, $($rest:tt)*) => { ... };
}
Expand description
Based on drop_right()
Examples:
#[macro_use] extern crate serde_json_lodash;
use serde_json::json;
assert_eq!(
drop_right!(json!([1, 2, 3])),
json!([1, 2])
);
assert_eq!(
drop_right!(json!([1, 2, 3]), 2),
json!([1])
);
assert_eq!(
drop_right!(json!([1, 2, 3]), 5),
json!([])
);
assert_eq!(
drop_right!(json!([1, 2, 3]), 0),
json!([1, 2, 3])
);
More examples:
assert_eq!(drop_right!(), json!([]));
assert_eq!(drop_right!(json!(null)), json!([]));
assert_eq!(drop_right!(json!(null), 0, 0), json!([]));
assert_eq!(drop_right!(json!(true)), json!([]));
assert_eq!(drop_right!(json!(0)), json!([]));
assert_eq!(drop_right!(json!("")), json!([]));
assert_eq!(drop_right!(json!([])), json!([]));
assert_eq!(drop_right!(json!({})), json!([]));