1 files changed, 18 insertions, 0 deletions
diff --git a/src/main/java/org/zwobble/couscous/util/ExtraMaps.java b/src/main/java/org/zwobble/couscous/util/ExtraMaps.java
new file mode 100644
index 0000000..c27e77c
--- /dev/null
+++ b/src/main/java/org/zwobble/couscous/util/ExtraMaps.java
@@ -0,0 +1,18 @@
+package org.zwobble.couscous.util;
+
+import com.google.common.collect.ImmutableMap;
+
+import java.util.Map;
+import java.util.function.Function;
+
+public class ExtraMaps {
+    public static <T, K, V> Map<K, V> toMap(Iterable<T> iterable, Function<T, Map.Entry<K, V>> function) {
+        ImmutableMap.Builder<K, V> builder = ImmutableMap.builder();
+
+        for (T value : iterable) {
+            builder.put(function.apply(value));
+        }
+
+        return builder.build();
+    }
+}