Struct tracing_core::field::Empty [−][src]
pub struct Empty;
An empty field.
This can be used to indicate that the value of a field is not currently present but will be recorded later.
When a field’s value is Empty
. it will not be recorded.
Trait Implementations
impl StructuralEq for Empty
[src]
impl StructuralEq for Empty
[src]impl StructuralPartialEq for Empty
[src]
impl StructuralPartialEq for Empty
[src]Auto Trait Implementations
impl RefUnwindSafe for Empty
impl RefUnwindSafe for Empty
impl UnwindSafe for Empty
impl UnwindSafe for Empty