Name Rascal/Expressions/Values/Tuple/FieldSelection

Synopsis Select a field from a tuple by its field name.

Syntax Exp . Name

Types

Exp	Name	Exp . Name
tuple[ T1 L1, T2 L2, ... ]	Li	Ti

Description Field selection applies to tuples with named elements. Exp should evaluate to a tuple with field Name and returns the value of that field. Name stands for itself and is not evaluated.

Examples

rascal>tuple[int key, str val] T = <1, "abc">;
tuple[int key,str val]: <1,"abc">
rascal>T.val;
str: "abc"

[Edit] | [New Subconcept] | [Recompile Course] | [Warnings]