From 0d09851c392829a6cbbd047f9a374b5c66eb4c98 Mon Sep 17 00:00:00 2001
From: Tucker Evans <tucker@tuckerevans.com>
Date: Thu, 2 Jul 2020 17:32:56 -0400
Subject: Add push for vector

---
 collections/vector/vector.adoc | 17 ++++++++++++++++-
 collections/vector/vector.c    | 14 ++++++++++++++
 collections/vector/vector.h    |  1 +
 3 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/collections/vector/vector.adoc b/collections/vector/vector.adoc
index b9101ca..cf001d3 100644
--- a/collections/vector/vector.adoc
+++ b/collections/vector/vector.adoc
@@ -1,7 +1,7 @@
 Vector
 ======
 Tucker Evans
-v0.1, 2020-07-01
+v0.2, 2020-07-02
 
 A basic vector, that hold pointers to your data structures.
 
@@ -63,3 +63,18 @@ assert(vec_size(vector) == 0);
 vec_push_back(vector, NULL);
 assert(vec_size(vector) == 1);
 ----
+
++void vec_push(vec *self, void *item)+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Pushes +item+ into back of +self+. This may cause a resize of the internal buffer.
+
+Examples
+^^^^^^^^
+[source,c]
+----
+#include "vector.h"
+
+vec *vector = vec_new();
+vec_push(vector, NULL);
+assert(vec_size(vector) == 1);
+----
diff --git a/collections/vector/vector.c b/collections/vector/vector.c
index c2668e4..afe99de 100644
--- a/collections/vector/vector.c
+++ b/collections/vector/vector.c
@@ -61,3 +61,17 @@ vec *root;
 	assert(root->base);
 }
 
+void vec_push(root, item)
+vec *root;
+void *item;
+{
+	if (!root) {
+		return;
+	}
+
+	if (root->end >= root->limit) {
+		vec_resize(root);
+	}
+
+	root->base[root->end++] = item;
+}
diff --git a/collections/vector/vector.h b/collections/vector/vector.h
index 5465108..b84217a 100644
--- a/collections/vector/vector.h
+++ b/collections/vector/vector.h
@@ -6,4 +6,5 @@ typedef struct vector vec;
 vec* vec_new();
 vec* vec_with_capacity(int);
 int vec_size(vec*);
+void vec_push(vec*, void*);
 #endif
-- 
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