[perl #77660] [BUG] X*= doesn't modify the original array in Rakudo

[Will Coleda via RT]

On Thu Sep 02 20:55:52 2010, masak wrote:
> <Util> rakudo: my @a = 1, 2, 3; @a X*= 5; say @a.perl; @a = @a X* 5;
> say @a.perl;
> <p6eval> rakudo 33e94e: OUTPUT«[1, 2, 3]␤[5, 10, 15]␤»
> <Util> Should X*= have worked? If not, how to best scale a vector
> without repeating the vector's array name?
> <masak> @b = @a X* 5
> <masak> :P
> <masak> and yes, I think X*= should have worked.
> * masak submits rakudobug
> <tylercurtis> rakudo: my @a = 1, 2, 3; @a [X*]= 5; say @a.perl; @a =
> @a X* 5; say @a.perl;
> <p6eval> rakudo 33e94e: OUTPUT«===SORRY!===␤Confused at line 22, near
> "@a [X*]= 5"␤»
> <Util> S03 discusses X[+=] vs [X+]= in "Nesting of metaoperators", but
> X[*=] does the same as X*= , and [X*]= fails.
> <Util> Oh, as tylercurtis just showed.

This now fails outright:

19:25 < [Coke]> rakudo: my @a = 1, 2, 3; @a X*= 5; say @a.perl; @a = @a X* 
                5;say @a.perl;
19:25 <+p6eval> rakudo 38907e: OUTPUT«Array.new(1, 2, 3)␤splice() not 
                implemented in class 'Mu'␤  in method reify at 
                src/gen/CORE.setting:3657␤  in method gimme at 
                src/gen/CORE.setting:4015␤  in method eager at 
                src/gen/CORE.setting:3991␤  in method STORE at 
                src/gen/CORE.setting:4409␤  in block <anon> a…


-- 
Will "Coke" Coleda