use extism_pdk::*;
use serde::{Deserialize, Serialize};
#[derive(Debug, Clone, Serialize)]
#[serde(rename_all = "camelCase")]
struct MathAddRequest {
a: i32,
b: i32,
}
#[derive(Debug, Clone, Deserialize)]
#[serde(rename_all = "camelCase")]
struct MathAddResponse {
#[serde(default)]
result: i32,
#[serde(default)]
error: Option<String>,
}
#[host_fn]
extern "ExtismHost" {
fn math_add(input: Json<MathAddRequest>) -> Json<MathAddResponse>;
}
pub fn add(a: i32, b: i32) -> Result<i32, Error> {
let response = unsafe {
math_add(Json(MathAddRequest {
a: a,
b: b,
}))?
};
if let Some(err) = response.0.error {
return Err(Error::msg(err));
}
Ok(response.0.result)
}