From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 16:29:10 +0200 Subject: Adding upstream version 86.0.1. Signed-off-by: Daniel Baumann --- third_party/rust/opaque-debug/src/lib.rs | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 third_party/rust/opaque-debug/src/lib.rs (limited to 'third_party/rust/opaque-debug/src') diff --git a/third_party/rust/opaque-debug/src/lib.rs b/third_party/rust/opaque-debug/src/lib.rs new file mode 100644 index 0000000000..c3648c35f4 --- /dev/null +++ b/third_party/rust/opaque-debug/src/lib.rs @@ -0,0 +1,31 @@ +//! Macro for opaque `Debug` trait implementation. +#![no_std] + +/// Macro for defining opaque `Debug` implementation. +/// +/// It will use the following format: "StructName { ... }". While it's +/// convinient to have it (e.g. for including into other structs), it could be +/// undesirable to leak internall state, which can happen for example through +/// uncareful logging. +#[macro_export] +macro_rules! impl_opaque_debug { + ($struct:ty) => { + #[cfg(feature = "std")] + impl ::std::fmt::Debug for $struct { + fn fmt(&self, f: &mut ::std::fmt::Formatter) + -> Result<(), ::std::fmt::Error> + { + write!(f, concat!(stringify!($struct), " {{ ... }}")) + } + } + + #[cfg(not(feature = "std"))] + impl ::core::fmt::Debug for $struct { + fn fmt(&self, f: &mut ::core::fmt::Formatter) + -> Result<(), ::core::fmt::Error> + { + write!(f, concat!(stringify!($struct), " {{ ... }}")) + } + } + } +} -- cgit v1.2.3