in reply to Re^6: Passing argument by reference (for a scalar)
in thread Passing argument by reference (for a scalar)

It's not undocumented: https://perldoc.perl.org/perldata#Demarcated-variable-names-using-braces
  • Comment on Re^7: Passing argument by reference (for a scalar)

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Re^8: Passing argument by reference (for a scalar)
by ikegami (Patriarch) on Sep 13, 2024 at 10:20 UTC

    It's documented to be allowed in string literals, but the OP is not using it in a string literal.

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