MT#10199 add table.merge function

ngcp/utils.lua

@@ -95,6 +95,15 @@ function table.del(t, element)
     end
 end
 
+function table.merge(t, other)
+  if t and other then
+    for _, value in ipairs(other) do
+      table.add(t, value)
+    end
+  end
+  return t;
+end
+
 function table.val_to_str ( v )
   if "string" == type( v ) then
     v = string.gsub( v, "\n", "\\n" )

tests/utils.lua

@@ -170,6 +170,21 @@ TestUtils = {} --class
         assertFalse(string.ends("goga", "f"))
         assertError(string.ends, "goga", nil)
     end
+
+    function TestUtils:test_table_merge()
+        assertEquals(self.simple_list, {1,2,3})
+        table.merge(self.simple_list, {1})
+        assertEquals(self.simple_list, {1,2,3})
+        table.merge(self.simple_list, {5})
+        assertEquals(self.simple_list, {1,2,3,5})
+        table.merge(self.simple_list, {5,4})
+        assertEquals(self.simple_list, {1,2,3,5,4})
+        table.merge(nil, nil)
+        table.merge(nil, {})
+        local tmp = {}
+        table.merge(tmp, {1,2,3,5,4})
+        assertEquals(tmp, {1,2,3,5,4})
+    end
 -- class TestUtils
 
 TestStack = {}