D3-VTV
Variable Type Validation
Definition
Ensuring that a variable has the correct type.
How it Works
A developer should consider how the variable will be used throughout the program and choose the correct variable type.
A developer should programmatically check if a variable has the correct (expected) type before using that variable.
Considerations
•The result of an operation on an unexpected variable type will vary based on the language.
•Note: This resource should not be considered a definitive or exhaustive coding guideline.
Artifact Relationships
This defensive technique relates to specific digital artifacts.