1 files changed, 32 insertions, 0 deletions
diff --git a/src/main/java/bjc/optics/Optic.java b/src/main/java/bjc/optics/Optic.java
new file mode 100644
index 0000000..389da21
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+++ b/src/main/java/bjc/optics/Optic.java
@@ -0,0 +1,32 @@
+/* 
+ * esodata - data structures and other things, of varying utility
+ * Copyright 2022, Ben Culkin
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *   
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package bjc.optics;
+
+/**
+ * General interface for optics of varying sorts
+ * 
+ * @author bjcul
+ *
+ * @param <W1> The first item the optic is used on
+ * @param <W2> The second item the optic is used on
+ * @param <P1> The first item the optic focuses on
+ * @param <P2> The second item the optic focuses on
+ */
+public interface Optic<W1, W2, P1, P2> {
+	// Marker interface
+}