perl6/doc/lib/X/Syntax/NegatedPair
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(title) class X::Syntax::NegatedPair
class X::Syntax::NegatedPair does X::Syntax { }
Thrown if a colonpair illegally has a value, for example
:!a(1) .
This is an error because the
! negation implies that the value is
False .
A typical error message from this class is I<Argument not allowed on
negated pair with key 'a'>.
Methods
(head2) key
Returns the key of the pair that caused the error.
