Struct MetadataBuilder

struct MetadataBuilder<'a> { ... }

Builder for Metadata.

Typically should only be used by log library creators or for testing and "shim loggers". The MetadataBuilder can set the different parameters of a Metadata object, and returns the created object when build is called.

Example

let target = "myApp";
use log::{Level, MetadataBuilder};
let metadata = MetadataBuilder::new()
                    .level(Level::Debug)
                    .target(target)
                    .build();

Implementations

impl<'a> MetadataBuilder<'a>

fn new() -> MetadataBuilder<'a>

Construct a new MetadataBuilder.

The default options are:

  • level: Level::Info
  • target: ""
fn level(self: &mut Self, arg: Level) -> &mut MetadataBuilder<'a>

Setter for level.

fn target(self: &mut Self, target: &'a str) -> &mut MetadataBuilder<'a>

Setter for target.

fn build(self: &Self) -> Metadata<'a>

Returns a Metadata object.

impl Default for MetadataBuilder<'_>

fn default() -> Self

impl<'a> Debug for MetadataBuilder<'a>

fn fmt(self: &Self, f: &mut $crate::fmt::Formatter<'_>) -> $crate::fmt::Result

impl<'a> Eq for MetadataBuilder<'a>

impl<'a> Freeze for MetadataBuilder<'a>

impl<'a> Hash for MetadataBuilder<'a>

fn hash<__H: $crate::hash::Hasher>(self: &Self, state: &mut __H)

impl<'a> Ord for MetadataBuilder<'a>

fn cmp(self: &Self, other: &MetadataBuilder<'a>) -> $crate::cmp::Ordering

impl<'a> PartialEq for MetadataBuilder<'a>

fn eq(self: &Self, other: &MetadataBuilder<'a>) -> bool

impl<'a> PartialOrd for MetadataBuilder<'a>

fn partial_cmp(self: &Self, other: &MetadataBuilder<'a>) -> $crate::option::Option<$crate::cmp::Ordering>

impl<'a> RefUnwindSafe for MetadataBuilder<'a>

impl<'a> Send for MetadataBuilder<'a>

impl<'a> StructuralPartialEq for MetadataBuilder<'a>

impl<'a> Sync for MetadataBuilder<'a>

impl<'a> Unpin for MetadataBuilder<'a>

impl<'a> UnwindSafe for MetadataBuilder<'a>

impl<T> Any for MetadataBuilder<'a>

fn type_id(self: &Self) -> TypeId

impl<T> Borrow for MetadataBuilder<'a>

fn borrow(self: &Self) -> &T

impl<T> BorrowMut for MetadataBuilder<'a>

fn borrow_mut(self: &mut Self) -> &mut T

impl<T> From for MetadataBuilder<'a>

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into for MetadataBuilder<'a>

fn into(self: Self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

impl<T, U> TryFrom for MetadataBuilder<'a>

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto for MetadataBuilder<'a>

fn try_into(self: Self) -> Result<U, <U as TryFrom<T>>::Error>