Missing Variable Definition

Definition:

A variable or out parameter is read before its value has been defined. Access to undefined variables might result in unpredictable behavior.

Also Known As:

Ur Data Flow Anomaly

Code Example:

function f (in integer i, out integer j) {
  var integer k := 1, l;
  j := i + j + k + l;
}

References:

Quality attributes

:octicon:`file-code;1em` - Code Example
:octicon:`comment-discussion;1em` - Cause and Effect
:octicon:`graph;1em` - Frequency
:octicon:`sync;1em` - Refactoring