Get the comparator used in an expression or create a comparator object.
Set the comparator of an expression.
Comparator(object, ...)Comparator(object) <- value
# S4 method for .expr
Comparator(object)
# S4 method for .expr
Comparator(object) <- value
The object to be coerced to a '.comparator' subclass or the expression object of which to obtain its comparator.
Used by certain methods.
The value to set the comparator to.
An object belonging to the superclass .comparator
.expr: Return the comparator used within the supplied
conditional expression.
.expr: Replace the comparator of the supplied
conditional expression.
Other comparator functions: comparators
Other comparator functions: comparators