experimenting

module/core/former/src/axiomatic.rs

@@ -86,7 +86,7 @@ where
 //   }
 // }
 
-/// xxx
+/// xxx : update description
 #[ derive( Debug, Default ) ]
 pub struct ReturnStorage;
 

module/core/former/src/container.rs

@@ -197,7 +197,6 @@ where
 #[ derive( Default ) ]
 pub struct ContainerSubformer< E, Definition >
 where
-  // End : FormingEnd< Definition >,
   Definition : FormerDefinition,
   < Definition::Types as FormerDefinitionTypes >::Storage : ContainerAdd< Element = E >,
 {
@@ -208,7 +207,6 @@ where
 
 impl< E, Definition > ContainerSubformer< E, Definition >
 where
-  // End : FormingEnd< Definition >,
   Definition : FormerDefinition,
   < Definition::Types as FormerDefinitionTypes >::Storage : ContainerAdd< Element = E >,
 {
@@ -314,6 +312,7 @@ where
   /// # Returns
   /// A new instance of `ContainerSubformer` with an empty internal formed.
   ///
+  // xxx : update description
   #[ inline( always ) ]
   pub fn new( end : Definition::End ) -> Self
   {
@@ -325,11 +324,24 @@ where
     )
   }
 
+  // xxx : update description
+  #[ inline( always ) ]
+  pub fn new_with< IntoEnd >( end : IntoEnd ) -> Self
+  where
+    IntoEnd : Into< Definition::End >,
+  {
+    Self::begin
+    (
+      None,
+      None,
+      end.into(),
+    )
+  }
+
 }
 
 impl< E, Definition > ContainerSubformer< E, Definition >
 where
-  // End : FormingEnd< Definition >,
   Definition : FormerDefinition,
   < Definition::Types as FormerDefinitionTypes >::Storage : ContainerAdd< Element = E >,
 {
@@ -358,7 +370,6 @@ where
 impl< E, Definition > FormerBegin< Definition >
 for ContainerSubformer< E, Definition >
 where
-  // End : FormingEnd< Definition >,
   Definition : FormerDefinition,
   < Definition::Types as FormerDefinitionTypes >::Storage : ContainerAdd< Element = E >,
 {

module/core/former/src/vector.rs

@@ -113,7 +113,7 @@ impl< E > VecExt< E > for Vec< E >
 {
   fn former() -> VectorSubformer< E, (), Vec< E >, ReturnStorage >
   {
-    VectorSubformer::< E, (), Vec< E >, ReturnStorage >::new( Default::default() )
+    VectorSubformer::< E, (), Vec< E >, ReturnStorage >::new( ReturnStorage::default() )
   }
 }
 

module/core/former/tests/inc/former_tests/container_former_vec.rs

@@ -384,6 +384,13 @@ fn custom_definition_custom_end()
   let exp = 13;
   a_id!( got, exp );
 
+  let got = the_module::ContainerSubformer::< String, Return13 >::new_with( return_13 )
+  .push( "a" )
+  .push( "b" )
+  .form();
+  let exp = 13;
+  a_id!( got, exp );
+
   //
 
 }