Trait nj_core::val::ExtractFromJs

pub trait ExtractFromJs<'a>: Sized {
    pub fn extract(js_cb: &'a mut JsCallback) -> Result<Self, NjError>;

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

#[deprecated(since = "4.1.0","No longer used"]

Required methods

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

extract from js callback

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Provided methods

pub fn label() -> &'static str

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Implementations on Foreign Types

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

for optional argument

pub fn label() -> &'static str

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

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Implementors

impl<'_> ExtractFromJs<'_> for JsEnv

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

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

pub fn label() -> &'static str

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

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