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Fix serde crate_root macro for wasm32v1-none target

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Kurdistan Tech Ministry
2026-01-09 16:31:09 +03:00
parent a155b33847
commit 877abfe00e
2 changed files with 34 additions and 12 deletions
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serde/src/lib.rs
+32 -12
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@@ -190,14 +190,34 @@ macro_rules! crate_root {
/// A facade around all the types we need from the `std`, `core`, and `alloc`
/// crates. This avoids elaborate import wrangling having to happen in every
/// module.
///
/// NOTE: On targets where std is not available (target_os = "none", e.g. wasm32v1-none),
/// we always use core/alloc even if the "std" feature is enabled due to Cargo feature
/// unification.
mod lib {
mod core {
#[cfg(not(feature = "std"))]
pub use core::*;
#[cfg(feature = "std")]
pub use std::*;
#[cfg(any(not(feature = "std"), target_os = "none"))]
pub use ::core::*;
#[cfg(all(feature = "std", not(target_os = "none")))]
pub use ::std::*;
}
// Re-export the full prelude for wasm32v1-none and other no_std targets
#[cfg(any(not(feature = "std"), target_os = "none"))]
pub use ::core::prelude::rust_2021::*;
#[cfg(all(feature = "std", not(target_os = "none")))]
pub use ::std::prelude::rust_2021::*;
// Prelude items that may not be re-exported by glob import
#[cfg(any(not(feature = "std"), target_os = "none"))]
pub use ::core::option::Option::{self, None, Some};
#[cfg(any(not(feature = "std"), target_os = "none"))]
pub use ::core::result::Result::{self, Err, Ok};
#[cfg(all(feature = "std", not(target_os = "none")))]
pub use ::std::option::Option::{self, None, Some};
#[cfg(all(feature = "std", not(target_os = "none")))]
pub use ::std::result::Result::{self, Err, Ok};
pub use self::core::{f32, f64};
pub use self::core::{ptr, str};
@@ -212,24 +232,24 @@ macro_rules! crate_root {
pub use self::core::option;
pub use self::core::result;
#[cfg(all(feature = "alloc", not(feature = "std")))]
#[cfg(all(feature = "alloc", any(not(feature = "std"), target_os = "none")))]
pub use alloc::borrow::{Cow, ToOwned};
#[cfg(feature = "std")]
#[cfg(all(feature = "std", not(target_os = "none")))]
pub use std::borrow::{Cow, ToOwned};
#[cfg(all(feature = "alloc", not(feature = "std")))]
#[cfg(all(feature = "alloc", any(not(feature = "std"), target_os = "none")))]
pub use alloc::string::{String, ToString};
#[cfg(feature = "std")]
#[cfg(all(feature = "std", not(target_os = "none")))]
pub use std::string::{String, ToString};
#[cfg(all(feature = "alloc", not(feature = "std")))]
#[cfg(all(feature = "alloc", any(not(feature = "std"), target_os = "none")))]
pub use alloc::vec::Vec;
#[cfg(feature = "std")]
#[cfg(all(feature = "std", not(target_os = "none")))]
pub use std::vec::Vec;
#[cfg(all(feature = "alloc", not(feature = "std")))]
#[cfg(all(feature = "alloc", any(not(feature = "std"), target_os = "none")))]
pub use alloc::boxed::Box;
#[cfg(feature = "std")]
#[cfg(all(feature = "std", not(target_os = "none")))]
pub use std::boxed::Box;
}
serde/src/private/ser.rs
+2
View File
@@ -3,6 +3,8 @@ use crate::lib::*;
// Explicit prelude import for wasm32v1-none and other no_std targets
#[allow(unused_imports)]
use ::core::prelude::rust_2021::*;
#[allow(unused_imports)]
use ::core::write;
use crate::ser::{self, Impossible, Serialize, SerializeMap, SerializeStruct, Serializer};