-//! The different types of `Any` for use in a map.
-//!
-//! This stuff is all based on `std::any`, but goes a little further, with `CloneAny` being a
-//! cloneable `Any` and with the `Send` and `Sync` bounds possible on both `Any` and `CloneAny`.
-
-use std::fmt;
-use std::any::Any;
+use core::fmt;
+use core::any::Any;
+#[cfg(not(feature = "std"))]
+use alloc::boxed::Box;
#[doc(hidden)]
pub trait CloneToAny {
// your bin crate needs a corresponding allow!). Although I explained my plight¹
// and it was all explained and agreed upon, no action has been taken. So I finally
// caved and worked around it by doing it this way, which matches what’s done for
- // std::any², so it’s probably not *too* bad.
+ // core::any², so it’s probably not *too* bad.
//
// ¹ https://github.com/rust-lang/rust/issues/51443#issuecomment-421988013
// ² https://github.com/rust-lang/rust/blob/e7825f2b690c9a0d21b6f6d84c404bb53b151b38/library/alloc/src/boxed.rs#L1613-L1616
/// [`Any`], but with cloning.
///
/// Every type with no non-`'static` references that implements `Clone` implements `CloneAny`.
-/// See [`std::any`] for more details on `Any` in general.
+/// See [`core::any`] for more details on `Any` in general.
pub trait CloneAny: Any + CloneToAny { }
impl<T: Any + Clone> CloneAny for T { }
implement!(CloneAny,);