forked from PKU-ASAL/PKUWA
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathgcd.rs
More file actions
22 lines (17 loc) · 773 Bytes
/
gcd.rs
File metadata and controls
22 lines (17 loc) · 773 Bytes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
//! Example of instantiating of the WebAssembly module and invoking its exported
//! function.
// You can execute this example with `cargo run --example gcd`
use anyhow::Result;
use wasmtime::*;
fn main() -> Result<()> {
// Load our WebAssembly (parsed WAT in our case), and then load it into a
// `Module` which is attached to a `Store` cache. After we've got that we
// can instantiate it.
let mut store = Store::<()>::default();
let module = Module::from_file(store.engine(), "examples/gcd.wat")?;
let instance = Instance::new(&mut store, &module, &[])?;
// Invoke `gcd` export
let gcd = instance.get_typed_func::<(i32, i32), i32, _>(&mut store, "gcd")?;
println!("gcd(6, 27) = {}", gcd.call(&mut store, (6, 27))?);
Ok(())
}