Macro sp_tracing::span
source · [−]macro_rules! span {
(target: $target:expr, parent: $parent:expr, $lvl:expr, $name:expr) => { ... };
(target: $target:expr, parent: $parent:expr, $lvl:expr, $name:expr, $($fields:tt)*) => { ... };
(target: $target:expr, $lvl:expr, $name:expr, $($fields:tt)*) => { ... };
(target: $target:expr, parent: $parent:expr, $lvl:expr, $name:expr) => { ... };
(parent: $parent:expr, $lvl:expr, $name:expr, $($fields:tt)*) => { ... };
(parent: $parent:expr, $lvl:expr, $name:expr) => { ... };
(target: $target:expr, $lvl:expr, $name:expr, $($fields:tt)*) => { ... };
(target: $target:expr, $lvl:expr, $name:expr) => { ... };
($lvl:expr, $name:expr, $($fields:tt)*) => { ... };
($lvl:expr, $name:expr) => { ... };
}
Expand description
Constructs a new span.
See the top-level documentation for details on the syntax accepted by this macro.
Examples
Creating a new span:
let span = span!(Level::TRACE, "my span");
let _enter = span.enter();
// do work inside the span...