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LTA error message when declaring a PrecompStore with default values #2545

JJ opened this issue Dec 14, 2018 · 0 comments


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commented Dec 14, 2018

The Problem

This program

use nqp;

my $precomp-store =;
my $precomp = => $precomp-store);

my $id = nqp::sha1(~$*PROGRAM-NAME);
my $handle = $precomp.load($id)[0];

without $handle {
    $precomp.precompile($io, $id, :force);
    $handle = $precomp.load($id)[0] // fail("Could not precompile");

say nqp::atkey($handle.unit,'$=pod')[0];

Fails with error:

Invocant of method 'add' must be an object instance of type 'IO::Path', not a type object of type 'IO::Path'.  Did you forget a '.new'?

Expected Behavior

Since this is due to the fact that we are not initializing correctly the named argument prefix, which is getting the default value IO::Path, it would be more awesome if either a reasonable default would be assigned to that argument or an error was thrown at that particular point.

Actual Behavior

No object of that type is actually declared in the script, and it's obscure why that error is being thrown in line

my $handle = $precomp.load($id)[0];

Steps to Reproduce

Run the script above.


  • Operating system:
  • Compiler version (perl6 -v):

Perl6 2018.11

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