"stringifies @array"? No!

It stringifies the result of @array.

To be fair, "stringifies @array" could mean "stringifies the result of @array", but most people think of "@array" as a variable rather than code. Clarity is definitely lacking.

The concat operator evaluates its operands in scalar context, to which @a responds by returning the number 3. The concat operator then stringifies that value.

In reply to Re^3: difference between @array."\n" and @array "\n" by ikegami
in thread difference between @array."\n" and @array "\n" by NileshJ

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