#[macro_use]
extern crate iflet;
#[macro_use]
extern crate serde_json;
use serde_json::Value::{Object, Array};
fn main() {
let value = json!({
"numbers": [ 1, 2, 4, 9, 16, 25 ]
});
if_chain!([let Object(ref map) => value,
let Some(&Array(ref vec)) if !vec.is_empty() => map.get("numbers")] {
println!("there are {} numbers stored in the object", vec.len());
} else {
println!("there are no numbers stored in the object");
});
}