Remove the iron integration from generator

Issue #527 removed the askama_iron package, but not the integration if
someone uses askama_derive's feature with "iron".

The old askama_iron crate uses askama v0.10, so it will still work.

askama/Cargo.toml

@@ -26,7 +26,6 @@ num-traits = ["askama_shared/num-traits"]
 with-actix-web = ["askama_derive/actix-web"]
 with-axum = ["askama_derive/axum"]
 with-gotham = ["askama_derive/gotham"]
-with-iron = ["askama_derive/iron"]
 with-mendes = ["askama_derive/mendes"]
 with-rocket = ["askama_derive/rocket"]
 with-tide = ["askama_derive/tide"]

askama_derive/Cargo.toml

@@ -18,7 +18,6 @@ config = ["askama_shared/config"]
 actix-web = []
 axum = []
 gotham = []
-iron = []
 mendes = []
 rocket = []
 tide = []

askama_derive/src/lib.rs

@@ -115,7 +115,6 @@ const INTEGRATIONS: Integrations = Integrations {
     actix: cfg!(feature = "actix-web"),
     axum: cfg!(feature = "axum"),
     gotham: cfg!(feature = "gotham"),
-    iron: cfg!(feature = "iron"),
     mendes: cfg!(feature = "mendes"),
     rocket: cfg!(feature = "rocket"),
     tide: cfg!(feature = "tide"),

askama_shared/src/generator.rs

@@ -102,9 +102,6 @@ impl<'a, S: std::hash::BuildHasher> Generator<'a, S> {
         if self.integrations.gotham {
             self.impl_gotham_into_response(&mut buf)?;
         }
-        if self.integrations.iron {
-            self.impl_iron_modifier_response(&mut buf)?;
-        }
         if self.integrations.mendes {
             self.impl_mendes_responder(&mut buf)?;
         }
@@ -237,29 +234,6 @@ impl<'a, S: std::hash::BuildHasher> Generator<'a, S> {
         buf.writeln("}")
     }
 
-    // Implement iron's Modifier<Response> if enabled
-    fn impl_iron_modifier_response(&mut self, buf: &mut Buffer) -> Result<(), CompileError> {
-        self.write_header(
-            buf,
-            "::askama_iron::Modifier<::askama_iron::Response>",
-            None,
-        )?;
-        buf.writeln("fn modify(self, res: &mut ::askama_iron::Response) {")?;
-        buf.writeln(
-            "res.body = Some(Box::new(::askama_iron::Template::render(&self).unwrap().into_bytes()));",
-        )?;
-
-        match self.input.extension().unwrap_or("") {
-            "html" | "htm" => {
-                buf.writeln("::askama_iron::ContentType::html().0.modify(res);")?;
-            }
-            _ => (),
-        };
-
-        buf.writeln("}")?;
-        buf.writeln("}")
-    }
-
     // Implement mendes' `Responder`.
     fn impl_mendes_responder(&mut self, buf: &mut Buffer) -> Result<(), CompileError> {
         let param = syn::parse_str("A: ::mendes::Application").unwrap();

askama_shared/src/lib.rs

@@ -278,7 +278,6 @@ pub struct Integrations {
     pub actix: bool,
     pub axum: bool,
     pub gotham: bool,
-    pub iron: bool,
     pub mendes: bool,
     pub rocket: bool,
     pub tide: bool,