"temp" vs "my"

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Reading and playing with https://docs.perl6.org/routine/temp

There's an example showing how temp is "dynamic" - that any jump outside a
block restores the value. All well and good.

Then I thought, what if I want a lexical temporary value- then use "my"-
and this is all well and good:

my $v =3D "original";
{
    my $v =3D "new one";
    start {
        say "[PROMISE] Value before block is left: `$v`";
        sleep 1;
        say "[PROMISE] Block was left while we slept; value is still `$v`";
    }
    sleep =C2=BD;
    say "About to leave the block; value is `$v`";
}
say "Left the block; value is now `$v`";
sleep 2;

Then I thought, well, what if I want to initialize the inner $v with the
outer $v.

my $v =3D "original";
{
    my $v =3D $v; # "SORRY! Cannot use variable $v in declaration to
initialize itself"
    say "inner value is $v";
    $v=3D "new one";
...

Gentle reader, how would you succinctly solve this contrived example?
Anything you like better than this?

my $v =3D "original";
given $v -> $v is copy {
    say "inner value is $v"; # "original", good
    $v=3D "new one";
....

-y

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<div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div di=
r=3D"ltr"><div dir=3D"ltr">Reading and playing with=C2=A0<a href=3D"https:/=
/docs.perl6.org/routine/temp">https://docs.perl6.org/routine/temp</a></div>=
<div dir=3D"ltr"><br></div><div>There&#39;s an example showing how temp is =
&quot;dynamic&quot; - that any jump outside a block restores the value. All=
 well and good.</div><div><br></div><div>Then I thought, what if I want a l=
exical temporary value- then use &quot;my&quot;- and this is all well and g=
ood:</div><div><br></div><div><div>my $v =3D &quot;original&quot;;</div><di=
v>{</div><div>=C2=A0 =C2=A0 my $v =3D &quot;new one&quot;;</div><div>=C2=A0=
 =C2=A0 start {</div><div>=C2=A0 =C2=A0 =C2=A0 =C2=A0 say &quot;[PROMISE] V=
alue before block is left: `$v`&quot;;</div><div>=C2=A0 =C2=A0 =C2=A0 =C2=
=A0 sleep 1;</div><div>=C2=A0 =C2=A0 =C2=A0 =C2=A0 say &quot;[PROMISE] Bloc=
k was left while we slept; value is still `$v`&quot;;</div><div>=C2=A0 =C2=
=A0 }</div><div>=C2=A0 =C2=A0 sleep =C2=BD;</div><div>=C2=A0 =C2=A0 say &qu=
ot;About to leave the block; value is `$v`&quot;;</div><div>}</div><div>say=
 &quot;Left the block; value is now `$v`&quot;;</div><div>sleep 2;</div></d=
iv><div><br></div><div>Then I thought, well, what if I want to initialize t=
he inner $v with the outer $v.</div><div><br></div><div><div>my $v =3D &quo=
t;original&quot;;</div><div>{</div><div>=C2=A0 =C2=A0 my $v =3D $v; # &quot=
;SORRY! Cannot use variable $v in declaration to initialize itself&quot;</d=
iv><div>=C2=A0 =C2=A0 say &quot;inner value is $v&quot;;</div><div>=C2=A0 =
=C2=A0 $v=3D &quot;new one&quot;;</div></div><div>...</div><div><br></div><=
div>Gentle reader, how would you succinctly solve this contrived example? A=
nything you like better than this?</div><div><br></div><div><div>my $v =3D =
&quot;original&quot;;</div><div>given $v -&gt; $v is copy {</div><div>=C2=
=A0 =C2=A0 say &quot;inner value is $v&quot;; # &quot;original&quot;, good<=
/div><div>=C2=A0 =C2=A0 $v=3D &quot;new one&quot;;</div></div><div>....</di=
v><div><br></div><div dir=3D"ltr"><div><div class=3D"gmail_signature">-y<br=
></div></div>
</div></div></div></div></div></div>

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