diff options
Diffstat (limited to 'src/vim9type.c')
| -rw-r--r-- | src/vim9type.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/vim9type.c b/src/vim9type.c index ffdf7facb9..a1571218f6 100644 --- a/src/vim9type.c +++ b/src/vim9type.c @@ -934,6 +934,7 @@ type_mismatch_where(type_T *expected, type_T *actual, where_T where) semsg(_(e_argument_nr_type_mismatch_expected_str_but_got_str_in_str), where.wt_index, typename1, typename2, where.wt_func_name); break; + case WT_CAST: case WT_UNKNOWN: if (where.wt_func_name == NULL) semsg(_(e_type_mismatch_expected_str_but_got_str), @@ -1090,7 +1091,15 @@ check_type_maybe( ret = FAIL; } else if (!class_instance_of(actual->tt_class, expected->tt_class)) - ret = FAIL; + { + // Check if this is an up-cast, if so we'll have to check the type at + // runtime. + if (where.wt_kind == WT_CAST && + class_instance_of(expected->tt_class, actual->tt_class)) + ret = MAYBE; + else + ret = FAIL; + } } if (ret == FAIL && give_msg) |