To finish the set: 
perl -E '@arr=(\\$x,\\@x,\\%x);say \\$x;say \\@x;say \\%x'

[download]
outputs 
REF(0x8e8f58)
REF(0x8e8f58)
REF(0x8e8f58)

[download]
and 
perl -E '@arr=(\\$x,\\@x,\\%x);say join"\n",\\$x,\\@x,\\%x'

[download]
outputs 
REF(0xdc3f58)
REF(0xdc3e38)
REF(0xde0618)

[download]
and 
perl -E '@arr=(\\$x,\\@x,\\%x);say $arr[0];say $arr[1];say $arr[2]'

[download]
outputs 
REF(0x19b4d48)
REF(0x19b4b98)
REF(0x19d13e8)

[download]
I think what's going on is that we're getting the address of a temporary variable. When they are all in the same statement, you need three temporary spots; when in different statements, you just reuse your scratch space.

Still doesn't answer the 'REF' question, though...

#11929 First ask yourself `How would I do this without a computer?' Then have the computer do it the same way.

In reply to Re^4: Why do I (sometimes) get a REF ref and not a SCALAR ref? by kennethk
in thread Why do I (sometimes) get a REF ref and not a SCALAR ref? by Anonymous Monk

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