Function ul_sys::JSObjectMakeFunctionWithCallback

pub unsafe extern "C" fn JSObjectMakeFunctionWithCallback(
    ctx: JSContextRef, 
    name: JSStringRef, 
    callAsFunction: JSObjectCallAsFunctionCallback
) -> JSObjectRef

@function @abstract Convenience method for creating a JavaScript function with a given callback as its implementation. @param ctx The execution context to use. @param name A JSString containing the function's name. This will be used when converting the function to string. Pass NULL to create an anonymous function. @param callAsFunction The JSObjectCallAsFunctionCallback to invoke when the function is called. @result A JSObject that is a function. The object's prototype will be the default function prototype.