Function ovrt_sys::api::callbacks::bindings::__wasm_bindgen_generated_SpawnOverlayOvrtSysCallback

pub extern "C" fn __wasm_bindgen_generated_SpawnOverlayOvrtSysCallback(
    arg0: <i32 as FromWasmAbi>::Abi
) -> <() as ReturnWasmAbi>::Abi

Spawn a new overlay.

This is private/hidden for safety. See spawn_overlay for more info.

Returns an uid.