napi_get_value_external

ohos_sys::napi

Function napi_get_value_external 

Source 
pub unsafe extern "C" fn napi_get_value_external(
    env: napi_env,
    value: napi_value,
    result: *mut *mut c_void,
) -> napi_status
Available on crate feature napi only.
Expand description

Obtains the external data pointer previously passed through napi_create_external().

§Arguments

  • env - Current running virtual machine context.

  • value - JavaScript external value.

  • result - The data wrapped by the JavaScript external value.

§Returns

  • Returns the function execution status. [napi_ok] If the function executed successfully.

[napi_invalid_arg] If the param env, value or result is nullptr;

[napi_pending_exception] There is an uncaught exception occurred before(in) execution.

Available since API-level: 10