use serde::Serialize;
#[derive(Debug, Serialize)]
pub struct Mix {
#[serde(rename = "@id")]
pub id: String,
pub name: String,
#[serde(rename = "o2", skip_serializing_if = "Option::is_none")]
pub oxygen: Option<f64>,
#[serde(rename = "he", skip_serializing_if = "Option::is_none")]
pub helium: Option<f64>,
}