Chapter 18

1 files changed, 28 insertions, 1 deletions

diff --git a/clox/src/value.c b/clox/src/value.c
index 0737999..34e55b8 100644
--- a/clox/src/value.c
+++ b/clox/src/value.c
@@ -26,4 +26,31 @@ void freeValueArray(ValueArray *array) {
   initValueArray(array);
 }
 
-void printValue(Value value) { printf("%g", AS_NUMBER(value)); }
+void printValue(Value value) {
+  switch (value.type) {
+  case VAL_BOOL:
+    printf(AS_BOOL(value) ? "true" : "false");
+    break;
+  case VAL_NIL:
+    printf("nil");
+    break;
+  case VAL_NUMBER:
+    printf("%g", AS_NUMBER(value));
+    break;
+  }
+}
+
+bool valuesEqual(Value a, Value b) {
+  if (a.type != b.type)
+    return false;
+  switch (a.type) {
+  case VAL_BOOL:
+    return AS_BOOL(a) == AS_BOOL(b);
+  case VAL_NIL:
+    return true;
+  case VAL_NUMBER:
+    return AS_NUMBER(a) == AS_NUMBER(b);
+  default:
+    return false; /* Unreachable */
+  }
+}