From 264857903db99135c8c09d12b3e8af93ac1c7f88 Mon Sep 17 00:00:00 2001 From: Tucker Evans Date: Thu, 2 Jul 2020 19:07:46 -0400 Subject: Add index functionality to vectors --- collections/vector/vector.adoc | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) (limited to 'collections/vector/vector.adoc') diff --git a/collections/vector/vector.adoc b/collections/vector/vector.adoc index cf001d3..1dce41b 100644 --- a/collections/vector/vector.adoc +++ b/collections/vector/vector.adoc @@ -1,7 +1,7 @@ Vector ====== Tucker Evans -v0.2, 2020-07-02 +v0.3, 2020-07-02 A basic vector, that hold pointers to your data structures. @@ -78,3 +78,26 @@ vec *vector = vec_new(); vec_push(vector, NULL); assert(vec_size(vector) == 1); ---- + ++void* vec_index(vec *self, int index)+ +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +Returns the element at position +index+ of +self+. + +Examples +^^^^^^^^ +[source,c] +---- +#include "vector.h" +#include + +char *str1 = "ONE"; +char *str2 = "TWO"; +char *str3 = "THREE"; + +vec *vector = vec_new(); +vec_push(vector, str_dup(str1)); +vec_push(vector, str_dup(str2)); +vec_push(vector, str_dup(str3)); + +assert(str_cmp(vec_index(vector, 1), str2) == 0); +---- -- cgit v1.1