fix

Author: mschuwalow

src/printer.rs

@@ -75,12 +75,6 @@ impl<Context: PrintContext> Printer<Context> for String {
     }
 }
 
-pub struct UnitPrinter;
-
-impl<Context> Printer<Context> for UnitPrinter {
-    fn print(&self, _ctx: &mut Context) {}
-}
-
 pub struct IndentPrinter;
 
 impl<C: IndentContext + PrintContext> Printer<C> for IndentPrinter {
@@ -136,14 +130,6 @@ impl<Context> TreePrinter<Context> {
     }
 }
 
-pub struct TreePrinterPrinter<Context>(TreePrinter<Context>);
-
-impl<Context> Printer<Context> for TreePrinterPrinter<Context> {
-    fn print(&self, ctx: &mut Context) {
-        self.0.print(ctx)
-    }
-}
-
 impl<Context, P> Add<Option<P>> for TreePrinter<Context>
 where
     TreePrinter<Context>: Add<P, Output = TreePrinter<Context>>,

src/rust/client_gen.rs

@@ -17,7 +17,7 @@ use crate::rust::lib_gen::{Module, ModuleDef, ModuleName};
 use crate::rust::model_gen::RefCache;
 use crate::rust::printer::*;
 use crate::rust::types::{
-    ref_or_box_schema_type, ref_or_schema_type, DataType, IntFormat, ModelType, RustPrinter,
+    ref_or_box_schema_type, ref_or_schema_type, DataType, ModelType, RustPrinter,
     RustResult,
 };
 use crate::{Error, Result};