Rascal/Expressions/Values/Relation/CartesianProduct

Name Rascal/Expressions/Values/Relation/CartesianProduct

Synopsis Cartesian product of two relation values.

Syntax Exp₁ * Exp₂

Types

`Exp₁`	`Exp₂`	`Exp₁ * Exp₂`
`set[T₁]`	`set[T₂]`	`rel[T₁, T₂]`

Description Returns a binary relation that is the Cartesian product

of two sets.

Examples

rascal>{1, 2, 3} * {9};
rel[int,int]: {
  <2,9>,
  <3,9>,
  <1,9>
}
rascal>{1, 2, 3} * {10, 11};
rel[int,int]: {
  <1,11>,
  <2,11>,
  <3,11>,
  <3,10>,
  <2,10>,
  <1,10>
}

Questions

Question [1].

Question [2].

{-3, 11, 15} * {-1, 4} ==

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