1use crate::runtime::context::JSContext;
2use crate::value::JSValue;
3
4pub type HostFunc = fn(&mut JSContext, &[JSValue]) -> JSValue;
5
6#[derive(Clone, Copy)]
7pub struct HostFunction {
8 pub func: HostFunc,
9 pub name: &'static str,
10 pub arity: u32,
11}
12
13impl HostFunction {
14 pub fn new(name: &'static str, arity: u32, func: HostFunc) -> Self {
15 HostFunction { name, arity, func }
16 }
17
18 pub fn call(&self, ctx: &mut JSContext, args: &[JSValue]) -> JSValue {
19 (self.func)(ctx, args)
20 }
21}