Plumage Requests

Features of NQP that Plumage Needs

• Signatures and calling
  • Flatten into args (Added positional argument flattening in 8c211fe.)
• Callables
  • Cloned closures
• Containers
  • Empty array and empty hash constructors (not the ‘my @foo;’ use case which of course works, but rather for ‘%foo<bar><baz><quux> := ();’ and func({}) ) (now done in 2471f02)
  • Full array and hash constructor syntax ([] array constructor available in 2471f02)
• Floats
  • Support for them (added in 19c949e)
• Classes
  • CREATE (or other simplification of overridden new() methods)
• Grammars/Rules/Regexen
  • Get next match on same string
• Variables
  • “Globals” declared and initialized by a module without aid of mainline; could be any of:
    • GLOBAL pseudo-namespace + cross-namespace variable references (@GLOBAL::ARGS)
    • Contextuals (@*ARGS) look in PIR’s ‘namespace []’ as fallback
    • Compile-time lexical export
• General syntax
  • Statement modifier style if/unless (added in b7ce35e)
  • Statement modifier style while/until
  • Statement modifier style for
  • try and/or CATCH
• PIR output
  • Use fetch and vivify opcodes

Pm Also Wants

• @*ARGS

Completed Features

• Signatures and calling
  • Optional, named, named optional params (already done —Pm)
  • Param defaults (already done —Pm)
  • Slurpy params (already done —Pm)
• Callables
  • Pointy blocks (added in 992b220 —Pm)
• Hashes
  • Iterate over kv pairs (requires either real pairs or pointy blocks with params) (pointy blocks with signatures done, see above)
• Strings
  • Closure interpolation (added in 5559916 —Pm)
• Classes
  • Attribute declaration (already done —Pm)