0_M
The return value is either a ring element, or a vector.
i1 : 0_(ZZ^3) o1 = 0 3 o1 : ZZ
The source of this document is in /build/reproducible-path/macaulay2-1.25.05+ds/M2/Macaulay2/packages/Macaulay2Doc/operators/underscore.m2:444:0.