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: token.rs
    path of file: ./repos/CYFS/src/3rd/ethabi/src/token
    
    the code of the file until where you have to start completion: // Copyright 2015-2020 Parity Technologies
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

//! Ethereum ABI params.
use crate::{Address, Bytes, FixedBytes, Int, ParamType, Uint};
use std::fmt;

/// Ethereum ABI params.
#[derive(Debug, PartialEq, Clone)]
pub enum Token {
	/// Address.
	///
	/// solidity name: addr
    
	fn test_is_dynamic() {
		assert_eq!(Token::Address("0000000000000000000000000000000000000000".parse().unwrap()).is_dynamic(), false);
		assert_eq!(Token::Bytes(vec![0, 0, 0, 0]).is_dynamic(), true);
		assert_eq!(Token::FixedBytes(vec![0, 0, 0, 0]).is_dynamic(), false);
		assert_eq!(Token::Uint(0.into()).is_dynamic(), false);
		assert_eq!(Token::Int(0.into()).is_dynamic(), false);
		assert_eq!(Token::Bool(false).is_dynamic(), false);
		assert_eq!(Token::String("".into()).is_dynamic(), true);
		assert_eq!(Token::Array(vec![Token::Bool(false)]).is_dynamic(), true);
		assert_eq!(Token::FixedArray(vec![Token::Uint(0.into())]).is_dynamic(), false);
		assert_eq!(Token::FixedArray(vec![Token::String("".into())]).is_dynamic(), true);
		assert_eq!(Token::FixedArray(vec![Token::Array(vec![Token::Bool(false)])]).is_dynamic(), true);
	}