Learn Solidity: Ether Units & Time Units in Solidity Programming Language

In this post, we will understand the standard Ether units & time-related units in Solidity Programming Language.

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pragma solidity 0.4.8; 

* @title Learn Solidity: Ether Units & Time Units in Solidity Programming Language
* @author Toshendra Sharma
* @notice Example for the Learn Solidity Series

// Solidity define many types of especial units or variables lets check the units here 
// then we will talk about global variables & functions in next lecture

contract Units {
    // Ether Units are available as a global variables
    // wei, finney, szabo & ether are variable themself
    // variable can not be named as the ether, finney, szabo, wei 
    // use http://ether.fund/tool/converter for more such conversion
    bool isEqual = (2 ether == 2000 finney);

    // Time Units are also availabel in solidity like this 
    // seconds, minutes, hours, days, weeks, years are all available at time units to be used
    // can be used anywher in the program like mentioned below
    bool isEqual = (1 == 1 seconds);
    bool isEqual = (1 minutes == 60 seconds);
    bool isEqual = (1 hours == 60 minutes);
    bool isEqual = (1 days == 24 hours);
    bool isEqual = (1 weeks = 7 days);
    bool isEqual = (1 years = 365 days);

    Define consutruct here
    function Units(uint initialCoins) {
       // Initialize state variables here

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