Umple W039 Missing Interface
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W039 Missing Interface
Umple semantic warning issued when a referenced interface is not found
If an interface extends a second interface, that second interface must exist in the system. It can also be declared as external to the class, if it has been defined externally to the code.
Example
//Since B is not defined,
//the warning will be generated
interface A {
isA B;
}
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Solution to The Above So the Message No Longer Appears
//The problem can be solved by
//defining B
interface A {
isA B;
}
interface B {}
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