5 lines
247 B
Raku
5 lines
247 B
Raku
my @stack; # just a array
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@stack.push($elem); # add $elem to the end of @stack
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$elem = @stack.pop; # get the last element back
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@stack.elems == 0 # true, because the stack is empty
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not @stack # also true because @stack is false
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