pub trait Value: Sealed {
fn record(&self, key: &Field, visitor: &mut dyn Visit);
}
Expand description
A field value of an erased type.
Implementors of Value
may call the appropriate typed recording methods on
the visitor passed to their record
method in order to indicate how
their data should be recorded.
Visits this value with the given Visitor
.
Formats the value using the given formatter. Read more
Formats the value using the given formatter. Read more
impl Value for dyn Error + 'static
This is supported on crate feature std
only.
This is supported on tracing_unstable
and crate feature valuable
only.
This is supported on tracing_unstable
and crate feature valuable
only.