From @cognominal

$ cat A.pm
role A[​::T] { }
$ perl6 A.pm
$ perl6 --target=parse A.pm
===SORRY!===
Method 'symbol' not found for invocant of class 'Undef'
$

A program with the sole :​:T has no problem

--
cognominal stef

@coke - Status changed from 'new' to 'open'

From @coke

On Sat Jul 10 23​:14​:57 2010, cognominal wrote​:

$ cat A.pm
role A[​::T] { }
$ perl6 A.pm
$ perl6 --target=parse A.pm
===SORRY!===
Method 'symbol' not found for invocant of class 'Undef'
$

A program with the sole :​:T has no problem

Error message has changed​:

$ perl6 --target=parse A.pm
===SORRY!===
Could not locate compile-time value for symbol StaticLexPad

--
Will "Coke" Coleda

From @coke

On Sat Jul 10 23​:14​:57 2010, cognominal wrote​:

$ cat A.pm
role A[​::T] { }
$ perl6 A.pm
$ perl6 --target=parse A.pm
===SORRY!===
Method 'symbol' not found for invocant of class 'Undef'
$

A program with the sole :​:T has no problem

Behavior has changed​:

$ cat A.pm
role A[​::T] { }
$ perl6 A.pm
Could not instantiate role 'A'​:
Not enough positional parameters passed; got 1 but expected 2
current instr.​: 'specialize' pc 21192 (src/gen/perl6-metamodel.pir​:9881)
(src/gen/Metamodel.nqp​:1932)
called from Sub '' pc 26865 (src/gen/perl6-metamodel.pir​:12123)
(src/gen/Metamodel.nqp​:2351)
called from Sub '' pc 26668 (src/gen/perl6-metamodel.pir​:12057)
(src/gen/Metamodel.nqp​:2345)
called from Sub 'compose' pc 26272 (src/gen/perl6-metamodel.pir​:11937)
(src/gen/Metamodel.nqp​:2344)
called from Sub 'make_pun' pc 13972 (src/gen/perl6-metamodel.pir​:6710)
(src/gen/Metamodel.nqp​:1326)
called from Sub 'find_method' pc 14165 (src/gen/perl6-metamodel.pir​:6794)
(src/gen/Metamodel.nqp​:1345)
called from Sub 'MAIN' pc 368 (src/gen/perl6.pir​:143) (src/main.nqp src/gen/main-
version.nqp​:41)
called from Sub '' pc 77 (src/gen/perl6.pir​:56) (src/main.nqp src/gen/main-version.nqp​:1)
called from Sub '' pc 1127 (src/gen/perl6.pir​:404) (src/main.nqp src/gen/main-version.nqp​:52)
$ perl6 --target=parse A.pm
===SORRY!===
Could not locate compile-time value for symbol StaticLexPad

Is the behavior on the direction invocation not right?

--
Will "Coke" Coleda

From @FROGGS

Works, test added​: Raku/roast@0cbc65bd19

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