Macro serde_json_lodash::initial

macro_rules! initial {
    () => { ... };
    ($a:expr $(,)*) => { ... };
    ($a:expr, $($rest:tt)*) => { ... };
}

Description can be found in lodash initial

Examples:

#[macro_use] extern crate serde_json_lodash;
use serde_json::json;
assert_eq!(
  initial!(json!([1, 2, 3])),
  json!([1, 2])
);

More examples:

assert_eq!(initial!(), json!([]));
assert_eq!(initial!(json!(null)), json!([]));
assert_eq!(initial!(json!(false)), json!([]));
assert_eq!(initial!(json!(0)), json!([]));
assert_eq!(initial!(json!("")), json!([]));
assert_eq!(initial!(json!("abc")), json!(["a","b"]));
assert_eq!(initial!(json!("日本国")), json!(["日","本"]));
assert_eq!(initial!(json!({})), json!([]));
assert_eq!(initial!(json!({"a":1})), json!([]));