Function NewComponent

component_feat_component_model.go:41–54

NewComponent compiles a component-model binary into a [Component]. This function expects a component binary, such as what is produced by Rust's `cargo component` tooling or `wasm-tools component new`.

(engine *Engine, wasm []byte)

// This function expects a component binary, such as what is produced by Rust's
// `cargo component` tooling or `wasm-tools component new`.
func NewComponent(engine *Engine, wasm []byte) (*Component, error) {
	var wasmPtr *C.uint8_t
	if len(wasm) > 0 {
		wasmPtr = (*C.uint8_t)(unsafe.Pointer(&wasm[0]))
	}
	var ptr *C.wasmtime_component_t
	err := C.wasmtime_component_new(engine.ptr(), wasmPtr, C.size_t(len(wasm)), &ptr)
	runtime.KeepAlive(engine)
	runtime.KeepAlive(wasm)
	if err != nil {
		return nil, mkError(err)
	}
	return mkComponent(ptr, engine), nil
}

func mkComponent(ptr *C.wasmtime_component_t, engine *Engine) *Component {
	c := &Component{_ptr: ptr, engine: engine}