From 645a8026b6f6a89cda5a24d96cf3de39c3ab32e1 Mon Sep 17 00:00:00 2001
From: Kimplul <kimi.h.kuparinen@gmail.com>
Date: Thu, 10 Jul 2025 19:44:04 +0300
Subject: initial commit

---
 test/compile_main.sh |  8 ++++++++
 test/main.c          | 19 +++++++++++++++++++
 test/vec.h           | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 76 insertions(+)
 create mode 100755 test/compile_main.sh
 create mode 100644 test/main.c
 create mode 100644 test/vec.h

(limited to 'test')

diff --git a/test/compile_main.sh b/test/compile_main.sh
new file mode 100755
index 0000000..5467005
--- /dev/null
+++ b/test/compile_main.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+set -eu
+
+mkdir -p build/test
+gcc -E test/main.c -o build/test/main.c
+./ngc build/test/main.c > build/test/main_ngc.c
+gcc build/test/main_ngc.c -o build/test/main
diff --git a/test/main.c b/test/main.c
new file mode 100644
index 0000000..489618b
--- /dev/null
+++ b/test/main.c
@@ -0,0 +1,19 @@
+#include <stdio.h>
+#include "vec.h"
+
+typedef ints = vec[int]();
+
+int main()
+{
+	struct ints a = intscreate();
+	for (size_t i = 0; i < 10; ++i)
+		intsappend(&a, i);
+
+	int sum = 0;
+	for (size_t i = 0; i < 10; ++i) {
+		sum += *intsat(&a, i);
+	}
+
+	printf("%i\n", sum);
+	intsdestroy(&a);
+}
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 */
-- 
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