| // Copyright 2023 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| //! Convenience macros for using a [`crate::context::TracingContext`]. |
| |
| /// Convenience wrapper around the [`crate::context::TracingContext::duration`] |
| /// trait method. |
| /// |
| /// [`crate::context::TracingContext::duration`] uses RAII to begin and end the |
| /// duration by tying the scope of the duration to the lifetime of the object it |
| /// returns. This macro encapsulates that logic such that the trace duration |
| /// will end when the scope in which the macro is called ends. |
| macro_rules! trace_duration { |
| ($ctx:ident, $name:literal) => { |
| let _scope = $ctx.duration($name); |
| }; |
| } |
| |
| pub(crate) use trace_duration; |
