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• input boolean A; 
• output boolean A;
• input output boolean A; // double direction (input and output))
• input static boolean A; //static variable
• boolean A; //local, without direction
• input integer I=10; //the variable I is initialised
• input integer I with '+' //the combine operator is '+'

Declarations

Within State Scopes there can be declarations of variables (and signals)?.

A Variable:

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VariableDefinition:
{VariableDefinition} direction=VarDirection? (isStatic?='static')? type=[types::Type|FQN] name=ID ('=' varInitialValue=Expression)? ('with' varCombineOperator=CombineOperator)?;

Examples:

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Signal Declarations

Signals

4 views to implement signals:

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