From @masak

<masak> r​: X[X]
<p6eval> rakudo e765c9​: OUTPUT«===SORRY!===␤Method 'parameterize' not
found for invocant of class 'Perl6​::Metamodel​::PackageHOW'␤»
* masak submits rakudobug

That doesn't feel like an error message that should show up in that situation.

<masak> std​: X[X]
<p6eval> std 64edd1c​: OUTPUT«===SORRY!===␤Undeclared name​:␤ 'X'
used at line 1,1␤Check failed␤FAILED 00​:00 42m␤»

Something like this would be better.

Courtesy of diakopter++.

From @diakopter

On Sun Oct 21 02​:43​:22 2012, masak wrote​:

<masak> r​: X[X]
<p6eval> rakudo e765c9​: OUTPUT«===SORRY!===␤Method 'parameterize' not
found for invocant of class 'Perl6​::Metamodel​::PackageHOW'␤»
* masak submits rakudobug

That doesn't feel like an error message that should show up in that
situation.

<masak> std​: X[X]
<p6eval> std 64edd1c​: OUTPUT«===SORRY!===␤Undeclared name​:␤ 'X'
used at line 1,1␤Check failed␤FAILED 00​:00 42m␤»

Something like this would be better.

Courtesy of diakopter++.

but X is declared; it's just not parameterizable.

The RT System itself - Status changed from 'new' to 'open'

From @jnthn

On Sun Oct 21 10​:49​:32 2012, diakopter wrote​:

On Sun Oct 21 02​:43​:22 2012, masak wrote​:

<masak> r​: X[X]
<p6eval> rakudo e765c9​: OUTPUT«===SORRY!===␤Method 'parameterize' not
found for invocant of class 'Perl6​::Metamodel​::PackageHOW'␤»
* masak submits rakudobug

That doesn't feel like an error message that should show up in that
situation.

<masak> std​: X[X]
<p6eval> std 64edd1c​: OUTPUT«===SORRY!===␤Undeclared name​:␤ 'X'
used at line 1,1␤Check failed␤FAILED 00​:00 42m␤»

Something like this would be better.

Courtesy of diakopter++.

but X is declared; it's just not parameterizable.

Indeed. Now​:

$ perl6-m -e "X[X]"
===SORRY!=== Error while compiling -e
X cannot be parameterized
at -e​:1
------> X[X]<HERE><EOL>

Tests in S32-misc/exceptions.t.

@jnthn - Status changed from 'open' to 'resolved'