Name Rascal/Libraries/Prelude/ListRelation/invert

Synopsis Invert the tuples in a list relation.

Function

1. lrel[&T1, &T0] invert (lrel[&T0, &T1] R)
2. lrel[&T2, &T1, &T0] invert (lrel[&T0, &T1, &T2] R)
3. lrel[&T3, &T2, &T1, &T0] invert (lrel[&T0, &T1, &T2, &T3] R)
4. rel[&T4, &T3, &T2, &T1, &T0] invert (rel[&T0, &T1, &T2, &T3, &T4] R)

Usage import ListRelation;

Examples

rascal>import ListRelation;
ok
rascal>invert([<1,10>, <2,20>]);
lrel[int,int]: [
  <10,1>,
  <20,2>
]

Questions

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