Function FRESetArrayElementAt 

pub unsafe extern "C" fn FRESetArrayElementAt(
    arrayOrVector: FREObject,
    index: u32,
    value: FREObject,
) -> FREResult

Returns

• FREResult::FRE_OK
• FREResult::FRE_INVALID_OBJECT
• FREResult::FRE_ILLEGAL_STATE
• FREResult::FRE_TYPE_MISMATCH If an attempt is made to set a value in a Vector when the type of the value doesn’t match the Vector’s item type.
• FREResult::FRE_WRONG_THREAD