adding reference to readme

devinenoise · devinenoise · commit fe167f25fbf0 · 2020-12-03T12:50:40.000-08:00
diff --git a/README.md b/README.md
@@ -54,3 +54,7 @@ Pointer initialization == `p = &a;`
 Use an asterisk `*` for declaration and dereferencing. The ampersand `&` is is used when initializing.
 
 Every pointer takes 8 bytes no matter the data type.
+
+## Reference
+
+A reference is an alias given to a variable. Use an ampersand `&` to declared a reference. Referencing is useful for parameter passing in small functions.
