1 files changed, 0 insertions, 81 deletions
diff --git a/src/generate/into_heads.rs b/src/generate/into_heads.rs
deleted file mode 100644
index 5784e46..0000000
--- a/src/generate/into_heads.rs
+++ /dev/null
@@ -1,81 +0,0 @@
-use proc_macro2::TokenStream;
-use quote::quote;
-
-use crate::info_structures::{Options, StructInfo};
-
-/// Returns the Heads struct and a function to convert the original struct into a Heads instance.
-pub fn make_into_heads(info: &StructInfo, options: Options) -> (TokenStream, TokenStream) {
-    let visibility = if options.do_pub_extras {
-        info.vis.clone()
-    } else {
-        syn::parse_quote! { pub(super) }
-    };
-    let mut code = Vec::new();
-    let mut field_initializers = Vec::new();
-    let mut head_fields = Vec::new();
-    // Drop everything in the reverse order of what it was declared in. Fields that come later
-    // are only dependent on fields that came before them.
-    for field in info.fields.iter().rev() {
-        let field_name = &field.name;
-        if !field.self_referencing {
-            code.push(quote! { let #field_name = self.#field_name; });
-            if field.is_borrowed() {
-                field_initializers
-                    .push(quote! { #field_name: ::ouroboros::macro_help::unbox(#field_name) });
-            } else {
-                field_initializers.push(quote! { #field_name });
-            }
-            let field_type = &field.typ;
-            head_fields.push(quote! { #visibility #field_name: #field_type });
-        } else {
-            // Heads are fields that do not borrow anything.
-            code.push(quote! { ::core::mem::drop(self.#field_name); });
-        }
-    }
-    for (ty, ident) in info.generic_consumers() {
-        head_fields.push(quote! { #ident: ::core::marker::PhantomData<#ty> });
-        field_initializers.push(quote! { #ident: ::core::marker::PhantomData });
-    }
-    let documentation = format!(
-        concat!(
-            "A struct which contains only the ",
-            "[head fields](https://docs.rs/ouroboros/latest/ouroboros/attr.self_referencing.html#definitions) of [`{0}`]({0})."
-        ),
-        info.ident.to_string()
-    );
-    let generic_params = info.generic_params();
-    let generic_where = &info.generics.where_clause;
-    let heads_struct_def = quote! {
-        #[doc=#documentation]
-        #visibility struct Heads <#generic_params> #generic_where {
-            #(#head_fields),*
-        }
-    };
-    let documentation = concat!(
-        "This function drops all internally referencing fields and returns only the ",
-        "[head fields](https://docs.rs/ouroboros/latest/ouroboros/attr.self_referencing.html#definitions) of this struct."
-    ).to_owned();
-
-    let documentation = if !options.do_no_doc {
-        quote! {
-            #[doc=#documentation]
-        }
-    } else {
-        quote! { #[doc(hidden)] }
-    };
-
-    let generic_args = info.generic_arguments();
-    let into_heads_fn = quote! {
-        #documentation
-        #[allow(clippy::drop_ref)]
-        #[allow(clippy::drop_copy)]
-        #[allow(clippy::drop_non_drop)]
-        #visibility fn into_heads(self) -> Heads<#(#generic_args),*> {
-            #(#code)*
-            Heads {
-                #(#field_initializers),*
-            }
-        }
-    };
-    (heads_struct_def, into_heads_fn)
-}