15c68f2cc1
* Moves CodeMemory, VMInterrupts and SignatureRegistry from Compiler * CompiledModule holds CodeMemory and GdbJitImageRegistration * Store keeps track of its JIT code * Makes "jit_int.rs" stuff Send+Sync * Adds the threads example.
26 lines
819 B
Rust
26 lines
819 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 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(&store, &module, &[])?;
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// Invoke `gcd` export
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let gcd = instance
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.get_func("gcd")
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.ok_or(anyhow::format_err!("failed to find `gcd` function export"))?
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.get2::<i32, i32, i32>()?;
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println!("gcd(6, 27) = {}", gcd(6, 27)?);
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Ok(())
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}
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