Add Bind<T> overload that creates T

src/Microsoft.Extensions.Configuration.Binder/ConfigurationBinder.cs

@@ -33,6 +33,25 @@ namespace Microsoft.Extensions.Configuration
             }
         }
 
+        /// <summary>
+        /// Attempts to bind a new instance of T to configuration values by matching property names against configuration keys recursively.
+        /// </summary>
+        /// <typeparam name="T">The type of the new instance to bind.</typeparam>
+        /// <param name="configuration">The configuration instance to bind.</param>
+        /// <returns>The new instance of T</returns>
+        public static T Bind<T>(this IConfiguration configuration) where T : new()
+        {
+            if (configuration == null)
+            {
+                throw new ArgumentNullException(nameof(configuration));
+            }
+
+            var instance = new T();
+            BindInstance(instance.GetType(), instance, configuration);
+            return instance;
+        }
+
+
         /// <summary>
         /// Extracts the value with the specified key and converts it to type T.
         /// </summary>

test/Microsoft.Extensions.Configuration.Binder.Test/ConfigurationBinderTests.cs

@@ -97,11 +97,9 @@ namespace Microsoft.Extensions.Configuration.Binder.Test
             configurationBuilder.AddInMemoryCollection(dic);
             var config = configurationBuilder.Build();
 
-            var options = new ConfigurationInterfaceOptions();
-            config.Bind(options);
+            var options = config.Bind<ConfigurationInterfaceOptions>();
 
-            var childOptions = new DerivedOptions();
-            options.Section.Bind(childOptions);
+            var childOptions = options.Section.Bind<DerivedOptions>();
 
             Assert.True(childOptions.Boolean);
             Assert.Equal(-2, childOptions.Integer);
@@ -129,15 +127,11 @@ namespace Microsoft.Extensions.Configuration.Binder.Test
             configurationBuilder.AddInMemoryCollection(dic);
             var config = configurationBuilder.Build();
 
-            var options = new ConfigurationInterfaceOptions();
-            config.Bind(options);
+            var options = config.Bind<ConfigurationInterfaceOptions>();
 
-            var childOptions = new DerivedOptionsWithIConfigurationSection();
-            options.Section.Bind(childOptions);
+            var childOptions = options.Section.Bind<DerivedOptionsWithIConfigurationSection>();
 
-
-            var childDerivedOptions = new DerivedOptions();
-            childOptions.DerivedSection.Bind(childDerivedOptions);
+            var childDerivedOptions = childOptions.DerivedSection.Bind<DerivedOptions>();
 
             Assert.True(childOptions.Boolean);
             Assert.Equal(-2, childOptions.Integer);