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Issue 11.2 ('Boolean')
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Encapsulating Booleans

Avoid reading out booleans before having them set

Issue: 11.2 (March/April 2013)
Author: Jens Bendig
Author Bio: When he was young Jens Bendig was fascinated by three things
Article Description: No description available.
Article Length (in bytes): 9,908
Starting Page Number: 26
Article Number: 12105
Resource File(s):

Download Icon 12105 project.zip Updated: 2013-03-04 13:33:24

Related Link(s): None

Excerpt of article text...

All properties have a type. And all properties can lie—by having a wrong value.

But booleans are the most deceiving among them! They are the hardest cases because they only can have two values. That's a surprising statement, but I'll explain in detail why boolean properties can become a bigger problem than integers, floats, or strings... in terms of leading to complicated code.

All Properties Have a Default Value

With Real Studio, the developer gives every property a default value just by declaring it. Either you give it a value with the declaration, or you just don't give any value, and then the compiler will give the property a default value, depending on the type of the property.

  • Integers get the default value of 0.

...End of Excerpt. Please purchase the magazine to read the full article.