Type Alias nj_core::sys::napi_addon_register_func

pub type napi_addon_register_func = Option<unsafe extern "C" fn(_: *mut napi_env__, _: *mut napi_value__) -> *mut napi_value__>;

Aliased Type

enum napi_addon_register_func {
    None,
    Some(unsafe extern "C" fn(_: *mut napi_env__, _: *mut napi_value__) -> *mut napi_value__),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut napi_env__, _: *mut napi_value__) -> *mut napi_value__)

Some value of type T.

Trait Implementations

impl<'a, T> ExtractArgFromJs<'a> for Option<T>where T: JSValue<'a> + Sized,

fn label() -> &'static str

fn convert_arg_at(js_cb: &'a JsCallback, index: usize) -> Result<Self, NjError>

convert js callback argument at index

impl<'a, T> ExtractFromJs<'a> for Option<T>where T: JSValue<'a> + Sized,

for optional argument

fn label() -> &'static str

fn extract(js_cb: &'a mut JsCallback) -> Result<Self, NjError>

extract from js callback

impl<T> TryIntoJs for Option<T>where T: TryIntoJs,

fn try_to_js(self, js_env: &JsEnv) -> Result<napi_value, NjError>

impl<T> Value for Option<T>where T: Value,

fn record(&self, key: &Field, visitor: &mut dyn Visit)

Visits this value with the given Visitor.