ListRelation CartesianProduct

rascal-0.40.17

Synopsis

Cartesian product of two list relation values.

Syntax

Exp₁ * Exp₂

Types

Exp₁	Exp₂	Exp₁ * Exp₂
list[T₁]	list[T₂]	lrel[T₁, T₂]

Description

Returns a binary relation that is the Cartesian product of two lists.

Examples

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