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Defined |
Syntax |
Defined(E) where E is a CoCoA expression. |
Summary |
check if an expression has been defined |
Description |
This function returns TRUE if E is defined, otherwise it returns false. Typically, it is used to check if a name has already been assigned. |
Example |
Defined(MyVariable); FALSE ------------------------------- MyVariable := 3; Defined(MyVariable); TRUE ------------------------------- |