Just remove the problematic lines for now.

someguynamedjosh · Aug 8, 2022 · d5fc224 · d5fc224
1 parent 73be582
commit d5fc224
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diff --git a/ouroboros/src/lib.rs b/ouroboros/src/lib.rs
@@ -365,10 +365,6 @@ pub mod macro_help {
     }
 
     std_type_check!(is_std_box_type T alloc::boxed::Box<T>);
-    #[cfg(not(feature = "std"))]
-    #[cfg(target_has_atomic = "ptr")] // alloc::sync is missing if this is false
-    std_type_check!(is_std_arc_type T alloc::sync::Arc<T>);
-    #[cfg(feature = "std")]
     std_type_check!(is_std_arc_type T alloc::sync::Arc<T>);
     std_type_check!(is_std_rc_type T alloc::rc::Rc<T>);
 

diff --git a/ouroboros_macro/src/covariance_detection.rs b/ouroboros_macro/src/covariance_detection.rs
@@ -3,10 +3,7 @@ use syn::{GenericArgument, PathArguments, Type};
 
 use crate::utils::uses_this_lifetime;
 
-#[cfg(feature = "std")]
 const STD_CONTAINER_TYPES: &[&str] = &["Box", "Arc", "Rc"];
-#[cfg(not(feature = "std"))]
-const STD_CONTAINER_TYPES: &[&str] = &["Box", "Rc"];
 
 /// Returns Some((type_name, element_type)) if the provided type appears to be Box, Arc, or Rc from
 /// the standard library. Returns None if not.

diff --git a/ouroboros_macro/src/generate/type_asserts.rs b/ouroboros_macro/src/generate/type_asserts.rs
@@ -19,7 +19,6 @@ pub fn make_type_asserts(info: &StructInfo) -> TokenStream {
         if let Some((std_type, _eltype)) = apparent_std_container_type(field_type) {
             let checker_name = match std_type {
                 "Box" => "is_std_box_type",
-                #[cfg(feature = "std")]
                 "Arc" => "is_std_arc_type",
                 "Rc" => "is_std_rc_type",
                 _ => unreachable!(),