definition-use pair
📕 CTAL-TTA
Official ISTQB Definition
The association of a definition of a variable with the subsequent use of that variable.
3 Ways to Think About It
The Quick Take
A variable definition and its subsequent use - tracked for defects.
Look Closer
Where a variable gets a value and where that value is read.
The Bottom Line
Data flow pairs that can reveal uninitialized or unused variables.
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