The problem is that the assignment operator has looser precedence than the ternary/conditional operator ? :.

Instead, use 

$string = $#arr == -1 ? 'True' : 'False';

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If you want to assign to two different variables, use an ordinary if construct instead of the ternary operator.

Perl 6 - links to (nearly) everything that is Perl 6.

In reply to Re: Unexpected Output by moritz
in thread Unexpected Output by k_manimuthu

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