Haskell querying overview.

[ibabushkin]

Features

Querying for...

• toplevel declarations' names
• type names (from data declarations, type synonyms, type families and associated types)
• class names
• class instances
• constructors
• pattern synonyms
• exports
  • patterns
  • typeclasses
  • constructors
  • toplevel declarations' names (functions mostly)
  • imported modules
• imports
  • module names
  • names modules are imported as
  • imported names
• module name

Complex queries

• identifiers bound by where and let
• nesting (see above)
• better cross references between normal queries and export/import queries
• alternatives / multiple queries