[−][src]Function serde_value_utils::to_flatten_maptree
pub fn to_flatten_maptree<T: ?Sized>(
key_separator: &str,
prefix: Option<&str>,
src: &T
) -> Result<BTreeMap<Value, Value>, SerializerError> where
T: Serialize,
Flatten any struct which implement Serialize
into a BTreeMap<serde_value::Value, serde_value::Value>
with only one depth.
#[macro_use] extern crate serde_derive; extern crate serde_json; extern crate serde_value_utils; #[derive(Serialize, Clone, Debug)] struct SubFoo { a: String, b: u64, } #[derive(Serialize, Clone, Debug)] struct Foo { a: String, b: f64, c: Vec<i8>, d: SubFoo, } fn main() { let foo = Foo { a: "test".into(), b: 0.5, c: vec![5, 9], d: SubFoo { a: "subtest".into(), b: 695217 } }; let ser = serde_value_utils::to_flatten_maptree("_", Some("_"), &foo).unwrap(); println!("{}", serde_json::to_string_pretty(&ser).unwrap()); }
Output:
{
"_a": "test",
"_b": 0.5,
"_c_0": 5,
"_c_1": 9,
"_d_a": "subtest",
"_d_b": 695217
}