Struct dyer::log::RecordBuilder [−][src]
pub struct RecordBuilder<'a> { /* fields omitted */ }
Expand description
Builder for Record
.
Typically should only be used by log library creators or for testing and “shim loggers”.
The RecordBuilder
can set the different parameters of Record
object, and returns
the created object when build
is called.
Examples
use log::{Level, Record};
let record = Record::builder()
.args(format_args!("Error!"))
.level(Level::Error)
.target("myApp")
.file(Some("server.rs"))
.line(Some(144))
.module_path(Some("server"))
.build();
Alternatively, use MetadataBuilder
:
use log::{Record, Level, MetadataBuilder};
let error_metadata = MetadataBuilder::new()
.target("myApp")
.level(Level::Error)
.build();
let record = Record::builder()
.metadata(error_metadata)
.args(format_args!("Error!"))
.line(Some(433))
.file(Some("app.rs"))
.module_path(Some("server"))
.build();
Implementations
Construct new RecordBuilder
.
The default options are:
args
:format_args!("")
metadata
:Metadata::builder().build()
module_path
:None
file
:None
line
:None
Set args
.
Set metadata
. Construct a Metadata
object with MetadataBuilder
.
Set Metadata::level
.
Set Metadata::target
Set module_path
Set module_path
to a 'static
string
Set file
to a 'static
string.
Trait Implementations
Auto Trait Implementations
impl<'a> !RefUnwindSafe for RecordBuilder<'a>
impl<'a> !Send for RecordBuilder<'a>
impl<'a> !Sync for RecordBuilder<'a>
impl<'a> Unpin for RecordBuilder<'a>
impl<'a> !UnwindSafe for RecordBuilder<'a>
Blanket Implementations
Mutably borrows from an owned value. Read more
Instruments this type with the provided Span
, returning an
Instrumented
wrapper. Read more
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more