violate interface segregation

kenziehong · Jan 14, 2021 · 6f72952 · 6f72952
1 parent 60a0e0b
commit 6f72952
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/Basic/Solid/ShapeInterface.php b/Basic/Solid/ShapeInterface.php
@@ -2,4 +2,5 @@
 
 interface ShapeInterface {
   public function area();
+  public function volume();
 }
diff --git a/Basic/Solid/doc.md b/Basic/Solid/doc.md
@@ -10,4 +10,8 @@ Let q(x) be a property provable about objects of x of type T. Then q(y) should b
 q(x) x of type T 
 q(y) y of type S (subtype of T)
 
-This means that every subclass or derived class should be substitutable for their base or parent class.
+This means that every subclass or derived class should be substitutable for their base or parent class.
+
+# Interface Segregation Principle
+A client should never be forced to implement an interface that it doesn’t use, or clients shouldn’t be forced to depend on methods they do not use.
+