extern crate serde;
extern crate serde_json;

use serde_json::Value;

struct DataIds
{
    data: Vec<String>
}

fn main() {
    let jstr = r#"
    {
    "data": [["foo", "bar"], ["foo1", "bar1"]]

    }"#;

    let jvalue: Value = serde_json::from_str(jstr).unwrap();
    let jarray: Vec<_> = jvalue["data"].as_array().unwrap().to_vec();

    let jarray: Vec<_> = jarray.into_iter().map(|v| v.as_str().unwrap()).collect();
    println!("{}", jarray)
}