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Macro std::trace_macros

macro_rules! trace_macros {
    (true) => { ... };
    (false) => { ... };
}

🔬 This is a nightly-only experimental API. (trace_macros #29598)trace_macros is not stable enough for use and is subject to change

Enables or disables tracing functionality used for debugging other macros.

© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/macro.trace_macros.html