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Add no_std attribute and extern crate core for wasm32v1-none
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@@ -97,7 +97,9 @@
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// Serde types in rustdoc of other crates get linked to here.
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// Serde types in rustdoc of other crates get linked to here.
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#![doc(html_root_url = "https://docs.rs/serde/1.0.228")]
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#![doc(html_root_url = "https://docs.rs/serde/1.0.228")]
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// Support using Serde without the standard library!
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// Support using Serde without the standard library!
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#![cfg_attr(not(feature = "std"), no_std)]
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// Also force no_std on target_os = "none" (wasm32v1-none) even if std feature is enabled
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// This handles Cargo feature unification where std gets enabled for no_std targets
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#![cfg_attr(any(not(feature = "std"), target_os = "none"), no_std)]
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// Show which crate feature enables conditionally compiled APIs in documentation.
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// Show which crate feature enables conditionally compiled APIs in documentation.
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#![cfg_attr(docsrs, feature(doc_cfg, rustdoc_internals))]
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#![cfg_attr(docsrs, feature(doc_cfg, rustdoc_internals))]
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#![cfg_attr(docsrs, allow(internal_features))]
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#![cfg_attr(docsrs, allow(internal_features))]
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@@ -168,6 +170,10 @@
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#[cfg(feature = "alloc")]
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#[cfg(feature = "alloc")]
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extern crate alloc;
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extern crate alloc;
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// Explicitly import core crate for no_std targets (especially wasm32v1-none)
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#[cfg(any(not(feature = "std"), target_os = "none"))]
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extern crate core;
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// Rustdoc has a lot of shortcomings related to cross-crate re-exports that make
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// Rustdoc has a lot of shortcomings related to cross-crate re-exports that make
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// the rendered documentation of serde_core traits in serde more challenging to
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// the rendered documentation of serde_core traits in serde more challenging to
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// understand than the equivalent documentation of the same items in serde_core.
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// understand than the equivalent documentation of the same items in serde_core.
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