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Macaulay2Doc > The Macaulay2 language > operators > or

or -- disjunction

Description

t or u -- returns true if t is true or u is true.

If t is true, then the code in u is not evaluated.

See also

Ways to use or :

For the programmer

The object or is a keyword.

This operator may be used as a binary operator in an expression like x or y. The user may install binary methods for handling such expressions with code such as

         X  or  Y := (x,y) -> ...

where X is the class of x and Y is the class of y.