patch 8.2.2846: Vim9: "echo Func()" does not give an error for using void
Problem: Vim9: "echo Func()" does not give an error for a function without
a return value.
Solution: Give an error. Be more specific about why a value is invalid.
diff --git a/src/typval.c b/src/typval.c
index 9ca3569..3d1bd7f 100644
--- a/src/typval.c
+++ b/src/typval.c
@@ -522,7 +522,8 @@
case VAR_ANY:
case VAR_VOID:
case VAR_INSTR:
- emsg(_(e_inval_string));
+ semsg(_(e_using_invalid_value_as_string_str),
+ vartype_name(varp->v_type));
break;
}
return NULL;