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Value Conditional

rascal-0.40.17

Synopsis​

Conditional expression on values.

Syntax​

Exp₁ ? Exp₂ : Exp₃

Types​

Exp₁Exp₂Exp₃Exp₁ ? Exp₂ : Exp₃
boolT₂T₃lub(T₂,T₃)

Description​

Yields the value of Exp₂ if the value of Exp₁ is true and the value of Exp₃ otherwise. The result type is the least upper bound (also known as lub, see StaticTyping) of the types of Exp₂ and Exp₃.

Examples​

rascal>( 3 > 2 ) ? 30 : 40;
int: 30
rascal>( 3 < 2 ) ? "abc" : {3, 4};
set[int]: {3,4}