You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: one_two.rs
    path of file: ./repos/kani/tests/kani/Enum
    
    the code of the file until where you have to start completion: // Copyright Kani Contributors
// SPDX-License-Identifier: Apache-2.0 OR MIT
enum Niche_Enum {
    One(bool),
    Two(bool, bool),
}

enum E
    
fn check() {
    // This will have one operand.
    let _var = Niche_Enum::One(false);
    // This will have two operands -- true and false
    let _var = Niche_Enum::Two(true, false);
    // This will have one operand.
    let _var = Enum::One(1);
    // This will have two operands -- 2 and 3
    let _var = Enum::Two(2, 3);
}