Trait nj_core::val::ExtractArgFromJs

pub trait ExtractArgFromJs<'a>: Sized {
    pub fn convert_arg_at(
        js_cb: &'a JsCallback, 
        index: usize
    ) -> Result<Self, NjError>;

    pub fn label() -> &'static str { ... }
}

Required methods

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

convert js callback argument at index

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Provided methods

pub fn label() -> &'static str

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Implementations on Foreign Types

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

pub fn label() -> &'static str

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

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Implementors

impl<'_> ExtractArgFromJs<'_> for JsEnv

pub fn convert_arg_at(
    js_cb: &JsCallback,
    _index: usize
) -> Result<Self, NjError>

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

pub fn label() -> &'static str

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

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