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--- codesnippets:typeclasses [2021/06/10 13:12] – f2b216
+++ codesnippets:typeclasses [2025/10/08 00:48] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
-~~DISCUSSION~~
 ====== Type classes and its instances, and the deriving mechanism ======
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     * have instances (keyword: ''instance'') with type specific bindings.
   * module ''Prelude'' already consists of many type classes
-    * {{:modules:preludetypeclasses.png?direct&200|}}
+    * {{:modules:preludetypeclasses.png?direct&300|}}
       * picture from: Dirk Hünniger
       * source: [[https://commons.wikimedia.org/wiki/File:HaskellClasses.svg]]
@@ Line 16: / Line 15: @@
         *'' Float''
         * ''Double''
+  * additionally, there is many other libraries available with important type classes
+    * {{:codesnippets:typeclassopedia-diagram.png?direct&700|}}
+      * source: [[https://wiki.haskell.org/Typeclassopedia]]
   * example, implementing an ''Enum'' type class, and an instance for a data type
     * functions ''succ'', and ''pred'' have default implementations in ''class  Enum'',
@@ Line 143: / Line 145: @@
 </code>
+===== ✎ =====
+~~DISCUSSION~~