1 files changed, 13 insertions, 0 deletions
diff --git a/src/binary.c b/src/binary.c
new file mode 100644
index 0000000..bf5ac89
--- /dev/null
+++ b/src/binary.c
@@ -0,0 +1,13 @@
+#include "binary.h"
+
+strng_t *strng_u64_bin(smrt_arena_t *arena, u64 n) {
+    strng_t *s = strng_new(arena, 64);
+    s->len = 64;
+    for (u8 i = 0; i < 64; i++) {
+        b8 set = (n & (1ull << i)) != 0;
+        ((u8*)s)[STRNG_BASE_POS + (63 - i)] = set ? '1' : '0';
+    }
+
+    return s;
+}
+