1 files changed, 12 insertions, 2 deletions
diff --git a/bytecode/slice.c b/bytecode/slice.c
index c7b2820..0739a4a 100644
--- a/bytecode/slice.c
+++ b/bytecode/slice.c
@@ -10,6 +10,16 @@ struct slice slice(struct slice a, size_t i, size_t j)
 
 struct slice slice1(struct slice a, size_t i)
 {
-	assert(i <= a.size);
-	return (struct slice) { .size = a.size - i, .buf = a.buf + i };
+	return slice(a, i, a.size);
+}
+
+struct val_slice val_slice(struct val_slice a, size_t i, size_t j)
+{
+	assert(i <= a.size && j <= a.size && i <= j);
+	return (struct val_slice) { .size = j - i, .buf = a.buf + i };
+}
+
+struct val_slice val_slice1(struct val_slice a, size_t i)
+{
+	return val_slice(a, i, a.size);
 }