Function chakracore_sys::JsGetExtensionAllowed

pub unsafe extern "system" fn JsGetExtensionAllowed(
    object: JsValueRef, 
    value: *mut bool
) -> JsErrorCode

Returns a value that indicates whether an object is extensible or not.

Requires an active script context. The object to test. Whether the object is extensible or not. The code JsNoError if the operation succeeded, a failure code otherwise.