Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

What is a refinement type, or what do the “subset” and “where” keywords do?

April 26, 2017Refinement subset type

0

Posted

What is a refinement type, or what do the “subset” and “where” keywords do?

1 Answer

0

Posted

Creating a refinement type involves taking an existing type and adding constraints to it to get a new type. For example, we may take the integer type and add the constraint that it can only hold even numbers.