Yes, it is equivalent. When written on the same line as the opening curly bracket 
{   package My::Package;
    ...
}

[download]
you can see the new feature only moved the bracket few words forward and removed a semicolon.

($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,

[download]

In reply to Re^3: Looking for combinatorics with state (updated) by choroba
in thread Looking for combinatorics with state by Anonymous Monk

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