cheep-crator-2/vendor/opaque-debug/src/lib.rs

25 lines
777 B
Rust

//! Macro for opaque `Debug` trait implementation.
#![no_std]
#[doc(hidden)]
pub extern crate core as __core;
/// 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 internal state, which can happen for example through
/// uncareful logging.
#[macro_export]
macro_rules! implement {
($struct:ty) => {
impl $crate::__core::fmt::Debug for $struct {
fn fmt(&self, f: &mut $crate::__core::fmt::Formatter)
-> Result<(), $crate::__core::fmt::Error>
{
write!(f, concat!(stringify!($struct), " {{ ... }}"))
}
}
}
}