Refactor: @Test whitespace clean-up and other corelib changes

baselib/src/gplx/objects/lists/GfoHashBase.java

@@ -0,0 +1,49 @@
+package gplx.objects.lists;
+
+import gplx.objects.errs.Err_;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Spliterator;
+import java.util.function.Consumer;
+
+public class GfoHashBase<K, V> implements Iterable<Map.Entry<K, V>> {
+    protected final Map<K, V> map = new HashMap<>();
+
+    public int Len() {return map.size();}
+    public void Clear() {map.clear();}
+    public void Add(GfoHashKeyFunc<K> keyFunc, V v) {Add(keyFunc.ToHashKey(), v);}
+    public void Add(K k, V v) {
+    	if (k == null) {
+    		throw Err_.New_fmt("key cannot be null; val={0}", v);
+    	}
+    	if (map.containsKey(k)) {
+    		throw Err_.New_fmt("key already exists: key={0} val={1}", k, v);
+    	}
+    	map.put(k, v);
+    }
+    public void Del(K k) {map.remove(k);}
+    public void Set(K k, V v) {map.put(k, v);}
+    public boolean Has(K k) {return map.containsKey(k);}
+    public V GetByOrNull(K k) {return map.get(k);}
+    public V GetByOr(K k, V or) {
+    	V v = map.get(k);
+    	if (v == null) {
+    		v = or;
+    	}
+    	return v;
+	}
+    public V GetByOrFail(GfoHashKeyFunc<K> func) {return GetByOrFail(func.ToHashKey());}
+    public V GetByOrFail(K k) {
+    	V v = map.get(k);
+    	if (v == null) {
+    		throw Err_.New_fmt("val not found; key={0}", k);
+    	}
+    	return v;
+	}
+
+	@Override public Iterator<Map.Entry<K, V>> iterator() {return map.entrySet().iterator();}
+	@Override public void forEach(Consumer<? super Map.Entry<K, V>> action) {map.entrySet().forEach(action);}
+	@Override public Spliterator<Map.Entry<K, V>> spliterator() {return map.entrySet().spliterator();}
+}