我被困了,下面是我收到的JSON:
{
"BCH": {
"aclass": "currency",
"altname": "BCH",
"decimals": 10,
"display_decimals": 5
}
}
我对我的结构应该如何使用serde_json
包来解析属性感到困惑。以下是我目前的情况:
#[derive(Deserialize, Debug)]
struct Assets {
aclass: String,
altname: String,
decimals: u8,
display_decimals: u8,
}
#[derive(Deserialize, Debug)]
struct Currency {
assest: Assets,
}
fn to_assets_type(value: serde_json::Value) -> Currency {
serde_json::from_value(value).unwrap()
}
我收到一条错误消息:
线程'主'在'
Result::unwrap()
上被叫Err
时惊慌失措 value:ErrorImpl {code:Message(“missing fieldassest
”),line:0, column:0}',src / libcore / result.rs:860:4
答案 0 :(得分:6)
我想你想要一个HashMap。
#[macro_use] extern crate serde;
extern crate serde_json;
use std::collections::HashMap;
static VALUE: &str = r#"{
"BCH": {
"aclass": "currency",
"altname": "BCH",
"decimals": 10,
"display_decimals": 5
}
}"#;
#[derive(Deserialize, Debug)]
struct Assets {
aclass: String,
altname: String,
decimals: u8,
display_decimals: u8,
}
fn main() {
let serde_value: HashMap<String, Assets> = serde_json::from_str(VALUE).unwrap();
println!("{:?}", serde_value);
}