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: to_bits.rs
    path of file: ./repos/snarkVM/console/program/src/data/plaintext
    
    the code of the file until where you have to start completion: // Copyright (C) 2019-2023 Aleo Systems Inc.
// This file is part of the snarkVM library.

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at:
// http://www.apache.org/licenses/LICENSE-2.0

// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use super::*;

impl<N: Network> ToBits for Plaintext<N> {
    /// Returns this plaintext as a list of **little-endian** bits.
    fn write_bits_le(&self, vec: &mut Vec<bool>) {
        match self {
            Self::Literal(literal, bits_le) => {
                // Compute the bits.
                let bits = bits_le.get_or_init(|| {
                    let mut bits_le = vec![false, false]; // Variant bits.
                    literal.variant().write_bits_le(&mut bits_le);
                    literal.size_in_bits().write_bits_le(&mut bits_le);
                    literal.write_bits_le(&mut bits_le);
                    bits_le
                });
                // Extend the vector with the bits.
                vec.extend_from_slice(bits)
            }
            Self::Struct(struct_, bits_le) => {
                // Compute the bits.
                let bits = bits_le.get_or_init(|| {
                    let mut bits_le = vec![false, true]; // Variant bits.

                    // Write the length of the struct.
                    u8::try_from(struct_.len())
                        .or_halt_with::<N>("Plaintext struct length exceeds u8::MAX")
                        .write_bits_le(&mut bits_le);

                    // Write each member of the struct.
                    for (identifier, value) in struct_ {
                        // Write the identifier of the member.
                        identifier.size_in_bits().write_bits_le(&mut bits_le);
                        identifier.write_bits_le(&mut bits_le);

                        // Write the value of the member.
                        let value_bits = value.to_bits_le();
                        u16::try_from(value_bits.len())
                            .or_halt_with::<N>("Plaintext member exceeds u16::MAX bits")
                            .write_bits_le(&mut bits_le);
                        bits_le.extend_from_slice(&value_bits);
                    }
                    bits_le
                });
                // Extend the vector with the bits.
                vec.extend_from_slice(bits)
            }
            Self::Array(array, bits_le) => {
                // Compute the bits.
                let bits = bits_le.get_or_init(|| {
                    let mut 
    
    fn write_bits_le(&self, vec: &mut Vec<bool>) {
        match self {
            Self::Literal(literal, bits_le) => {
                // Compute the bits.
                let bits = bits_le.get_or_init(|| {
                    let mut bits_le = vec![false, false]; // Variant bits.
                    literal.variant().write_bits_le(&mut bits_le);
                    literal.size_in_bits().write_bits_le(&mut bits_le);
                    literal.write_bits_le(&mut bits_le);
                    bits_le
                });
                // Extend the vector with the bits.
                vec.extend_from_slice(bits)
            }
            Self::Struct(struct_, bits_le) => {
                // Compute the bits.
                let bits = bits_le.get_or_init(|| {
                    let mut bits_le = vec![false, true]; // Variant bits.

                    // Write the length of the struct.
                    u8::try_from(struct_.len())
                        .or_halt_with::<N>("Plaintext struct length exceeds u8::MAX")
                        .write_bits_le(&mut bits_le);

                    // Write each member of the struct.
                    for (identifier, value) in struct_ {
                        // Write the identifier of the member.
                        identifier.size_in_bits().write_bits_le(&mut bits_le);
                        identifier.write_bits_le(&mut bits_le);

                        // Write the value of the member.
                        let value_bits = value.to_bits_le();
                        u16::try_from(value_bits.len())
                            .or_halt_with::<N>("Plaintext member exceeds u16::MAX bits")
                            .write_bits_le(&mut bits_le);
                        bits_le.extend_from_slice(&value_bits);
                    }
                    bits_le
                });
                // Extend the vector with the bits.
                vec.extend_from_slice(bits)
            }
            Self::Array(array, bits_le) => {
                // Compute the bits.
                let bits = bits_le.get_or_init(|| {
                    let mut bits_le = vec![true, false]; // Variant bits.

                    // Write the length of the array.
                    u32::try_from(array.len())
                        .or_halt_with::<N>("Plaintext array length exceeds u32::MAX")
                        .write_bits_le(&mut bits_le);

                    // Write each element of the array.
                    for element in array {
                        let element_bits = element.to_bits_le();

                        // Write the size of the element.
                        u16::try_from(element_bits.len())
                            .or_halt_with::<N>("Plaintext element exceeds u16::MAX bits")
                            .write_bits_le(&mut bits_le);

                        // Write the element.
                        bits_le.extend(element_bits);
                    }
                    bits_le
                });
                // Extend the vector with the bits.
                vec.extend_from_slice(bits)
            }
        }
    }