This operator may be used as a prefix unary operator in an expression like <y. The user may install a method for handling such expressions with code such as
< Y := (y) -> ...
where Y is the class of y.
The source of this document is in /build/reproducible-path/macaulay2-1.25.06+ds/M2/Macaulay2/packages/Macaulay2Doc/operators/comparison.m2:9:0.