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# DirectSum -- the class of all direct sum expressions

## Description

DirectSum is a type of Expression representing a direct sum.

## For the programmer

The object DirectSum is a wrapper type, with ancestor classes AssociativeExpression < Expression < BasicList < Thing.

The source of this document is in /build/macaulay2-88fgJW/macaulay2-1.25.11+ds/M2/Macaulay2/packages/Macaulay2Doc/doc12.m2:252:0.