From 72e143396c4aee4255dba07e63805e464816895f Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Sun, 20 May 2018 09:56:24 -0700
Subject: [PATCH] Add two utility functions to function_list.

---
 include/function_list.h | 13 +++++++++++++
 src/function_list.c     |  8 ++++++++
 2 files changed, 21 insertions(+)

diff --git a/include/function_list.h b/include/function_list.h
index 852b11c..b09b3dd 100644
--- a/include/function_list.h
+++ b/include/function_list.h
@@ -31,6 +31,19 @@ libab_result libab_function_list_init(libab_function_list* list);
  */
 libab_result libab_function_list_insert(libab_function_list* list,
                                         libab_ref* function_value);
+/**
+ * Get the size of the given function list.
+ * @param list the list to get the size of.
+ * @return the size of the list.
+ */
+size_t libab_function_list_size(libab_function_list* list);
+/**
+ * Gets a value at the given index in the list.
+ * @param list the list to get a value from.
+ * @param index the index at which to get the value.
+ * @param into the reference to store the function into.
+ */
+void libab_function_list_index(libab_function_list* list, size_t index, libab_ref* into);
 /**
  * Frees the given function list.
  * @param list the list to free.
diff --git a/src/function_list.c b/src/function_list.c
index 4400549..60e924f 100644
--- a/src/function_list.c
+++ b/src/function_list.c
@@ -9,6 +9,14 @@ libab_result libab_function_list_insert(libab_function_list* list,
     return libab_ref_vec_insert(&list->functions, function);
 }
 
+size_t libab_function_list_size(libab_function_list* list) {
+    return list->functions.size;
+}
+
+void libab_function_list_index(libab_function_list* list, size_t index, libab_ref* into) {
+    libab_ref_vec_index(&list->functions, index, into);
+}
+
 void libab_function_list_free(libab_function_list* list) {
     libab_ref_vec_free(&list->functions);
 }