src/swipl-devel/packages/xpce/man/refmanual/md/tuple.md

class tuple {#class-tuple}

Pair of arbitrary objects. Tuples are most commonly used by methods to return two values (PCE methods can only return a single value). Methods that have to return more than two values may return a chain object, vector object or sheet object.

Send methods {#class-tuple-send}



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rswipl documentation built on June 16, 2026, 5:07 p.m.