Trait tracing_subscriber::field::VisitFmt [−][src]
pub trait VisitFmt: VisitOutput<Result> { fn writer(&mut self) -> &mut dyn Write; }
Expand description
Extension trait implemented by visitors to indicate that they write to a
fmt::Write
instance, and allow access to that writer.
Required methods
Implementors
This is supported on crate feature
fmt
only.This is supported on crate feature
fmt
only.This is supported on crate feature
fmt
only.This is supported on crate feature
fmt
only.