[C#] Implement new Concept Exercise: conditionals-ternary

[mikedamay]

This issue describes how to implement the conditionals-ternary concept exercise for the C# track.

Getting started

Please please please read the docs before starting. Posting PRs without reading these docs will be a lot more frustrating for you during the review cycle, and exhaust Exercism's maintainers' time. So, before diving into the implementation, please read up on the following documents:

• The features of v3.
• Rationale for v3.
• What are concept exercise and how they are structured?

Please also watch the following video:

• The Anatomy of a Concept Exercise.

Goal

The goal of this exercise is to teach the student how and when to use ternary expressions and the ?: operator in C#.

Learning objectives

• Know how to use ternary expressions - using the ?: operator.
• Know how to use throw expressions.

Out of scope

Nothing notable

Concepts

• ternary expressions
• throw expressions
• exceptions

Prerequisites

• booleans
• conditionals-if

Other prerequisites will depend on the story.

Resources to refer to

Hints

ternary documentation provides an introduction to ternary expressions. throw expressions documentation provides details of throw expressions.

After

ternary documentation provides an introduction to ternary expressions. throw expressions documentation provides details of throw expressions.

Representer

This exercise does not require any specific representation logic to be added to the representer.

Analyzer

This exercise does not require any specific analyzer logic to be added to the analyzer.

Implementing

To implement this exercise, please follow these instructions.

Help

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

[mikedamay]

Will combine with #1145 Expression Bodied Members

[mikedamay]

closed by PR #1880 Expression-bodied-memebers