Struct tracing_subscriber::fmt::format::FieldFnVisitor [−][src]
pub struct FieldFnVisitor<'a, F> { /* fields omitted */ }
This is supported on crate feature
fmt
only.Expand description
The visitor produced by FieldFn
’s MakeVisitor
implementation.
Trait Implementations
Visit a value implementing fmt::Debug
.
Visit a signed 64-bit integer value.
Visit an unsigned 64-bit integer value.
Visit a boolean value.
Visit a string value.
Records a type implementing Error
. Read more
Auto Trait Implementations
impl<'a, F> !RefUnwindSafe for FieldFnVisitor<'a, F>
impl<'a, F> !Send for FieldFnVisitor<'a, F>
impl<'a, F> !Sync for FieldFnVisitor<'a, F>
impl<'a, F> Unpin for FieldFnVisitor<'a, F> where
F: Unpin,
impl<'a, F> !UnwindSafe for FieldFnVisitor<'a, F>