patch 8.2.4279: Vim9: cannot change item type with map() after range()
Problem: Vim9: cannot change item type with map() after range().
Solution: Split the return type in current type and declared type.
(closes #9665)
diff --git a/src/proto/evalfunc.pro b/src/proto/evalfunc.pro
index f177357..bcb4ef5 100644
--- a/src/proto/evalfunc.pro
+++ b/src/proto/evalfunc.pro
@@ -6,7 +6,7 @@
char *internal_func_name(int idx);
int internal_func_check_arg_types(type2_T *types, int idx, int argcount, cctx_T *cctx);
void internal_func_get_argcount(int idx, int *argcount, int *min_argcount);
-type_T *internal_func_ret_type(int idx, int argcount, type2_T *argtypes);
+type_T *internal_func_ret_type(int idx, int argcount, type2_T *argtypes, type_T **decl_type);
int internal_func_is_map(int idx);
int check_internal_func(int idx, int argcount);
int call_internal_func(char_u *name, int argcount, typval_T *argvars, typval_T *rettv);
diff --git a/src/proto/vim9type.pro b/src/proto/vim9type.pro
index 1c80cbf..61e38e0 100644
--- a/src/proto/vim9type.pro
+++ b/src/proto/vim9type.pro
@@ -25,6 +25,7 @@
int push_type_stack2(cctx_T *cctx, type_T *type, type_T *decl_type);
void set_type_on_stack(cctx_T *cctx, type_T *type, int offset);
type_T *get_type_on_stack(cctx_T *cctx, int offset);
+type_T *get_decl_type_on_stack(cctx_T *cctx, int offset);
type_T *get_member_type_from_stack(int count, int skip, type_T **decl_type, cctx_T *cctx);
char *vartype_name(vartype_T type);
char *type_name(type_T *type, char **tofree);