From f7bf9ddeb0dc7bfd38cb81b60d3320c967c0c361 Mon Sep 17 00:00:00 2001
From: Angelos Chalaris <chalarangelo@gmail.com>
Date: Sat, 1 Sep 2018 13:31:49 +0300
Subject: [PATCH] Add first-class and higher-order functions

---
 glossary/First-class-function.md  | 3 +++
 glossary/Higher-order-function.md | 3 +++
 2 files changed, 6 insertions(+)
 create mode 100644 glossary/First-class-function.md
 create mode 100644 glossary/Higher-order-function.md

diff --git a/glossary/First-class-function.md b/glossary/First-class-function.md
new file mode 100644
index 000000000..dcae4b979
--- /dev/null
+++ b/glossary/First-class-function.md
@@ -0,0 +1,3 @@
+### First-class function
+
+A programming language is said to have first-class functions if it treats them as first-class citizens, meaning they can be passed as arguments, be returned as values from other functions, be assigned to variables and stored in data structures.
\ No newline at end of file
diff --git a/glossary/Higher-order-function.md b/glossary/Higher-order-function.md
new file mode 100644
index 000000000..df993a2e1
--- /dev/null
+++ b/glossary/Higher-order-function.md
@@ -0,0 +1,3 @@
+### Higher-order function
+
+Higher-order functions or functors are functions that either take other functions as arguments, return a function as a result, or both.
\ No newline at end of file