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Begin to support constant array of unions

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This commit is contained in:
gingerBill
2025-09-28 20:20:26 +01:00
parent a974c51d57
commit ffdfbfe2c2
7 changed files with 71 additions and 34 deletions
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22
src/types.cpp
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@@ -2507,15 +2507,35 @@ gb_internal bool type_has_nil(Type *t) {
return false;
}
gb_internal bool is_type_union_constantable(Type *type) {
Type *bt = base_type(type);
GB_ASSERT(bt->kind == Type_Union);
if (bt->Union.variants.count == 0) {
return true;
} else if (bt->Union.variants.count == 1) {
return is_type_constant_type(bt->Union.variants[0]);
}
for (Type *v : bt->Union.variants) {
if (!is_type_constant_type(v)) {
return false;
}
}
return true;
}
gb_internal bool elem_type_can_be_constant(Type *t) {
t = base_type(t);
if (t == t_invalid) {
return false;
}
if (is_type_any(t) || is_type_union(t) || is_type_raw_union(t)) {
if (is_type_any(t) || is_type_raw_union(t)) {
return false;
}
if (is_type_union(t)) {
return is_type_union_constantable(t);
}
return true;
}