Then you could use 1, 3, -1 instead of keys @bb[ 1, 3, -1 ].

Generally speaking,

You could use LIST instead of keys @bb[ LIST ].

You could use @bb[ LIST ] instead of values @bb[ LIST ].

In reply to Re^3: why each/keys/values can't work on slice? by ikegami
in thread why each/keys/values can't work on slice? by Anonymous Monk

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