From @masak

<TimToady> rakudo​: say { $^x }.assuming(1).signature
<p6eval> rakudo 6ccdcd​: OUTPUT«get_attr_str() not implemented in class
'Sub' [...]
<moritz_> rakudo​: say { $^x }.assuming(1).signature.perl
<p6eval> rakudo 6ccdcd​: OUTPUT«get_attr_str() not implemented in class
'Sub' [...]
* masak submits a rakudobug for the get_attr_str() error
<masak> rakudo​: say (-> { "!" }).signature.perl
<p6eval> rakudo 6ccdcd​: OUTPUT«​:()␤»

From @coke

On Mon Aug 30 08​:22​:27 2010, masak wrote​:

<TimToady> rakudo​: say { $^x }.assuming(1).signature
<p6eval> rakudo 6ccdcd​: OUTPUT«get_attr_str() not implemented in class
'Sub' [...]
<moritz_> rakudo​: say { $^x }.assuming(1).signature.perl
<p6eval> rakudo 6ccdcd​: OUTPUT«get_attr_str() not implemented in class
'Sub' [...]
* masak submits a rakudobug for the get_attr_str() error
<masak> rakudo​: say (-> { "!" }).signature.perl
<p6eval> rakudo 6ccdcd​: OUTPUT«​:()␤»

New failure​:

20​:22 < [Coke]> rakudo​: say { $^x }.assuming(1).signature
20​:22 <+p6eval> rakudo 38165a​: OUTPUT«Method 'assuming' not found for invocant
  of class 'Block'␤ in block <anon> at /tmp/sGW5kK1mNs​:1␤ in
  <anon> at /tmp/sGW5kK1mNs​:1␤»

--
Will "Coke" Coleda

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

From @Mouq

The latest error is an issue of .assuming not being defined for blocks; I'm not sure if that's spec or not.

On the other hand, this doesn't die​:

22​:20 <Mouq> p6​: say sub { $^x }.assuming(1).signature.perl
22​:20 <camelia> rakudo-{parrot,moar} 34669d​: OUTPUT«​:(Any |direct)␤»

On Tue Jan 10 17​:22​:51 2012, coke wrote​:

On Mon Aug 30 08​:22​:27 2010, masak wrote​:

<TimToady> rakudo​: say { $^x }.assuming(1).signature
<p6eval> rakudo 6ccdcd​: OUTPUT«get_attr_str() not implemented in
class
'Sub' [...]
<moritz_> rakudo​: say { $^x }.assuming(1).signature.perl
<p6eval> rakudo 6ccdcd​: OUTPUT«get_attr_str() not implemented in
class
'Sub' [...]
* masak submits a rakudobug for the get_attr_str() error
<masak> rakudo​: say (-> { "!" }).signature.perl
<p6eval> rakudo 6ccdcd​: OUTPUT«​:()␤»

New failure​:

20​:22 < [Coke]> rakudo​: say { $^x }.assuming(1).signature
20​:22 <+p6eval> rakudo 38165a​: OUTPUT«Method 'assuming' not found for
invocant
of class 'Block'␤ in block <anon> at
/tmp/sGW5kK1mNs​:1␤ in
<anon> at /tmp/sGW5kK1mNs​:1␤»

From @jdv

Added fudged tests in S06-currying/assuming-and-mmd.t
and created RT #​125155 for newly found issue.

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