I = span(L)
I = span(L,Precision => prec)
Returns the smallest interval containing the inputs (which can include intervals). Typically, the returned interval is not empty.
The source of this document is in /build/reproducible-path/macaulay2-1.25.06+ds/M2/Macaulay2/packages/Macaulay2Doc/doc_intervals.m2:205:0.