Implement new Concept Exercise: time-duration

This issue describes how to implement the time-duration concept exercise for the Go track.

Getting started

The docs can be found here

• What are Concept Exercises?
• Concept Exercises
• Concepts

Goal

The goal of this exercise is to teach the student how concept time and duration is implemented in Go.

Learning objectives

• Define the relation between time.Time and time.Duration.
• Know how to measure time using time.Since ( e.g. execution time of a function -- no defer !) .
• Know how to use time.Add and time.Sub
• Know about time units and maybe do some calculations

Out of scope

• Measuring time should to include defer
• Sleep, After, ticker etc.

Concepts

• time-duration

Prerequisites

• time

Resources to refer to

• Time package

Story Idea

There is already a possible story including tasks in the story list: https://exercism.org/docs/building/tracks/stories/datetimes-time-keeper This might be helpful as a template.

Help

If you have any questions while implementing the exercise, please post the questions as comments in this issue.