Name Rascal/Expressions/Values/ListRelation/Join

Synopsis Join two list relation values.

Syntax Exp1 join Exp2

Types

Exp1	Exp2	Exp1 join Exp2
lrel[ T11, T12, T13, ... ]	lrel[ T21, T22, T23, ... ]	lrel[ T11, T12, T13, ..., T21, T22, T23, ... ]

Description ListRelation resulting from the natural join of the list relation values of the two arguments. This list relation contains tuples that are the result from concatenating the elements from both arguments.

Examples

rascal>[<1,2>, <10,20>] join [<2,3>];
lrel[int,int,int,int]: [
  <1,2,2,3>,
  <10,20,2,3>
]
rascal>[<1,2>] join [3, 4];
lrel[int,int,int]: [
  <1,2,3>,
  <1,2,4>
]
rascal>[<1,2>, <10,20>] join [<2,3>, <20,30>];
lrel[int,int,int,int]: [
  <1,2,2,3>,
  <1,2,20,30>,
  <10,20,2,3>,
  <10,20,20,30>
]

Questions

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