Trait FromJsRef 

pub trait FromJsRef: Sized {
    type JsRef: JsCast;

    // Required method
    fn from_js_ref(castable: &Self::JsRef) -> Self;

    // Provided method
    fn try_from_js_value(js_value: &JsValue) -> Option<Self> { ... }
}

A trait for converting from a JS reference type to a Rust type.

Required Associated Types

type JsRef: JsCast

Required Methods

fn from_js_ref(castable: &Self::JsRef) -> Self

Converts from a JS reference type to the Rust type.

Provided Methods

fn try_from_js_value(js_value: &JsValue) -> Option<Self>

Attempts to convert from a JsValue to the Rust type by going through the JS reference type.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors