From 20ce6fa81cd9f55dca3212699d5949f8ebe7d95b Mon Sep 17 00:00:00 2001
From: Kimplul <kimi.h.kuparinen@gmail.com>
Date: Sat, 30 Aug 2025 00:01:15 +0300
Subject: add hashmap example

+ Doesn't quite work yet because <type> expansion isn't implemented
  yet
---
 example_hashmap/old/main.c | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 example_hashmap/old/main.c

(limited to 'example_hashmap/old/main.c')

diff --git a/example_hashmap/old/main.c b/example_hashmap/old/main.c
new file mode 100644
index 0000000..6c42787
--- /dev/null
+++ b/example_hashmap/old/main.c
@@ -0,0 +1,40 @@
+#include <assert.h>
+#include <stdio.h>
+
+#define MAP_KEY int
+#define MAP_TYPE int
+#define MAP_HASH(a) CONTS_MAP_NO_HASH(a)
+#define MAP_CMP(a, b) ((a) - (b))
+#define MAP_NAME ints
+#include <conts/map.h>
+
+int main()
+{
+	/* heuristic, but if we know how many elements we'll need, we should
+	 * give it to the create function. */
+	struct ints ints = ints_create(0);
+	for (int i = 0; i < 1000000; ++i) {
+		ints_insert(&ints, i, i);
+	}
+	assert(ints_len(&ints) == 1000000);
+
+	for (int i = 0; i < 1000000; ++i) {
+		int *v = ints_find(&ints, i);
+		assert(v && *v == i);
+	}
+
+	size_t count = 0;
+	foreach(ints, iter, &ints) {
+		assert(iter->key == iter->data);
+		count++;
+	}
+
+	assert(count == 1000000);
+
+	for (int i = 0; i < 1000000; ++i) {
+		ints_remove(&ints, i);
+	}
+
+	assert(ints_len(&ints) == 0);
+	ints_destroy(&ints);
+}
-- 
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