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Id: 130867
Status: new
Priority: 0/
Queue: perl6

Owner: Nobody
Requestors: cpan [at]

Severity: (no value)
Tag: Bug
Platform: (no value)
Patch Status: (no value)
VM: (no value)

Subject: [BUG] `only` methods are used where `multies` should be, preventing dispatch to Mu.* candidates
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Some types provide methods, like .Bool, .elems, .Str that are defined for :D subtypes. However, these methods are defined as `only` methods, not `multi`, so the dispatch for :U subtypes fails, instead of those be handled by Mu.* methods. I already fixed[^1] a bunch for Baggy role, but I notice other types have similar issue: <Zoffix> m: Seq.Bool <camelia> rakudo-moar dd4dfb: OUTPUT: «Invocant requires an instance of type Seq, but a type object was passed. Did you forget a .new?␤ in block <unit> at <tmp> line 1␤␤» We need to check the codebase for more of these. I think some construct similar to `for Any.^methods(:all)».name -> $name { for @all-core-types { ."$name"() }}` can be used for automated finding of methods that need to be changed to multies. [1]
RT-Send-CC: perl6-compiler [...]
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Seq.Int, Seq.Numeric, Seq.elems are another bunch. We need some programmatically-assisted way to audit the entire codebase for these.

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