import {-# SOURCE #-} HsPat ( LPat )
import HsTypes
-import PprCore
+import PprCore ()
import Coercion
import Type
import Name
-- Before renaming, and after typechecking,
-- the field is unused; it's just an error thunk
- fun_tick :: Maybe Int -- This is the (optional) module-local tick number.
+ fun_tick :: Maybe (Int,[id]) -- This is the (optional) module-local tick number.
}
| PatBind { -- The pattern is never a simple variable;
| WpCo Coercion -- A cast: [] `cast` co
-- Guaranteedn not the identity coercion
- | WpApp Var -- [] x; the xi are dicts or coercions
- | WpTyApp Type -- [] t
- | WpLam Id -- \x. []; the xi are dicts or coercions
- | WpTyLam TyVar -- \a. []
+ | WpApp Var -- [] d the 'd' is a type-class dictionary
+ | WpTyApp Type -- [] t the 't' is a type or corecion
+ | WpLam Id -- \d. [] the 'd' is a type-class dictionary
+ | WpTyLam TyVar -- \a. [] the 'a' is a type or coercion variable
-- Non-empty bindings, so that the identity coercion
-- is always exactly WpHole