1 files changed, 49 insertions, 0 deletions
diff --git a/test/vec.h b/test/vec.h
new file mode 100644
index 0000000..810e663
--- /dev/null
+++ b/test/vec.h
@@ -0,0 +1,49 @@
+#ifndef VEC_H
+#define VEC_H
+
+#include <stddef.h>
+#include <assert.h>
+#include <stdlib.h>
+
+typedef any {};
+
+typedef vec[any type]() {
+	struct <> {
+		size_t n;
+		size_t s;
+		type *buf;
+	};
+
+	static inline struct <> <>create()
+	{
+		return (struct <>){
+			.n = 0,
+			.s = 0,
+			.buf = NULL
+		};
+	}
+
+	static inline void <>append(struct <> *v, type n)
+	{
+		v->n++;
+		if (v->n > v->s) {
+			v->s = v->s == 0 ? 1 : 2 * v->s;
+			v->buf = realloc(v->buf, v->s * sizeof(type));
+		}
+
+		v->buf[v->n - 1] = n;
+	}
+
+	static inline type *<>at(struct <> *v, size_t i)
+	{
+		assert(i < v->n);
+		return &v->buf[i];
+	}
+
+	static inline void <>destroy(struct <> *v)
+	{
+		free(v->buf);
+	}
+}
+
+#endif /* VEC_H */