7a1b7cdf92
Implement Wasmtime's new API as designed by RFC 11. This is quite a large commit which has had lots of discussion externally, so for more information it's best to read the RFC thread and the PR thread.
23 lines
773 B
Rust
23 lines
773 B
Rust
//! Example of instantiating of the WebAssembly module and invoking its exported
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//! function.
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// You can execute this example with `cargo run --example gcd`
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use anyhow::Result;
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use wasmtime::*;
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fn main() -> Result<()> {
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// Load our WebAssembly (parsed WAT in our case), and then load it into a
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// `Module` which is attached to a `Store` cache. After we've got that we
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// can instantiate it.
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let mut store = Store::<()>::default();
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let module = Module::from_file(store.engine(), "examples/gcd.wat")?;
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let instance = Instance::new(&mut store, &module, &[])?;
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// Invoke `gcd` export
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let gcd = instance.get_typed_func::<(i32, i32), i32, _>(&mut store, "gcd")?;
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println!("gcd(6, 27) = {}", gcd.call(&mut store, (6, 27))?);
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Ok(())
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}
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