Greet

PHOTO

Sat Oct 16 2021 16:14:10 GMT+0000 (Coordinated Universal Time)

Saved by @funcProgramming

Option<string> _ = None;
Option<string> john = Some("John");
string greet(Option<string> greetee)
  			=> greetee.Match(
					None: () => "Sorry, who?",
					Some: (name) => $"Hello, {name}"
			);
greet(None)  // => "Sorry, who?"
greet(Some("John"))  // => "Hello, John"

Save snippets that work from anywhere online with our extensions

Available in the Chrome Web Store

Get Firefox Add-on

Get VS Code extension

Comments

More like this

Functional Programming

@funcProgramming

Tripling integers in a list Functional approach: where and orderby don't effect the original list Assign a lambda expression to a delegate Linq Expression using Where, OrderBy and Select Sorting a list of numbers using lambda expression Closure example for lambdas Delegates Syntax Finding area of rectangle and square using delegates Expressions instead of statements - Mutable Greet Tuple creation Average scores Multicast Delegate

Browse more snippets >>