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/// Test if an item implements `Debug` trait.
///
/// ### Examples
///
/// - Debug item:
///
/// ```
/// // either "test" or "all" features must be enabled
/// #[cfg(any(feature = "test", feature = "all"))]
/// {
/// use cs_utils::test::implements_debug;
///
/// #[derive(Debug)]
/// struct TestStruct {}
///
/// // compiles fine
/// implements_debug(TestStruct {});
/// }
/// ```
///
/// - Non-Debug item:
///
/// ```compile_fail
/// // either "test" or "all" features must be enabled
/// #[cfg(any(feature = "test", feature = "all"))]
/// {
/// use cs_utils::test::implements_debug;
///
/// // don't derive Debug
/// struct TestStruct {}
///
/// // does not compile
/// implements_debug(TestStruct {});
/// }
/// ```