This is an automatically generated page and cannot be edited directly. Text in Composite pages, (URLs starting with 'routine' or 'syntax') can be edited by clicking on the link labeled 'in context', and editing the text there.

Exit this popup by pressing <Escape>, or clicking on X or on the background.

!
Combined from primary sources listed below.

In Operators§

See primary documentation in context for prefix ! 

multi prefix:<!>(Mu --> Bool:D)

Negated Boolean context operator.

Coerces the argument to Bool by calling the Bool method on it, and returns the negation of the result. Note that this collapses Junctions.