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Better handling for NULL optional types

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This commit is contained in:
Bruce Hill 2024-11-24 16:41:27 -05:00
parent d4b10514fb
commit 52de4258e9
1 changed files with 8 additions and 1 deletions
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9
types.c
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@ -13,6 +13,9 @@
#include "types.h"
CORD type_to_cord(type_t *t) {
if (!t)
return "(Unknown type)";
switch (t->tag) {
case UnknownType: return "???";
case AbortType: return "Abort";
@ -75,7 +78,11 @@ CORD type_to_cord(type_t *t) {
return tagged->name;
}
case OptionalType: {
return CORD_all(type_to_cord(Match(t, OptionalType)->type), "?");
type_t *opt = Match(t, OptionalType)->type;
if (opt)
return CORD_all(type_to_cord(opt), "?");
else
return "(Unknown optional type)";
}
case TypeInfoType: {
return CORD_all("Type$info(", Match(t, TypeInfoType)->name, ")");