diff options
Diffstat (limited to 'frontend')
| -rw-r--r-- | frontend/checktypes.icl | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/frontend/checktypes.icl b/frontend/checktypes.icl index b760013..1c189af 100644 --- a/frontend/checktypes.icl +++ b/frontend/checktypes.icl @@ -1,7 +1,8 @@ implementation module checktypes import StdEnv -import syntax, checksupport, check, typesupport, utilities //, RWSDebug +import syntax, checksupport, check, typesupport, utilities, + compilerSwitches //, RWSDebug :: TypeSymbols = @@ -863,6 +864,8 @@ checkTypeContext mod_index tc=:{tc_class=tc_class=:{glob_object=class_name=:{ds_ where check_context_types tc_class [] cs=:{cs_error} = { cs & cs_error = checkError tc_class "type context should contain one or more type variables" cs_error} + check_context_types tc_class [((CV {tv_name}) :@: _):_] cs=:{cs_error} + = { cs & cs_error = checkError tv_name "not allowed as higher order type variable in context" cs_error} check_context_types tc_class [TV _ : types] cs = cs check_context_types tc_class [type : types] cs |