Struct log::MetadataBuilder
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pub struct MetadataBuilder<'a> { /* fields omitted */ }
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();
Methods
impl<'a> MetadataBuilder<'a>
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pub fn new() -> MetadataBuilder<'a>
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Construct a new MetadataBuilder
.
The default options are:
level
:Level::Info
target
:""
pub fn level(&mut self, arg: Level) -> &mut MetadataBuilder<'a>
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Setter for level
.
pub fn target(&mut self, target: &'a str) -> &mut MetadataBuilder<'a>
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Setter for target
.
pub fn build(&self) -> Metadata<'a>
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Returns a Metadata
object.
Trait Implementations
impl<'a> Eq for MetadataBuilder<'a>
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impl<'a> PartialEq for MetadataBuilder<'a>
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fn eq(&self, __arg_0: &MetadataBuilder<'a>) -> bool
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This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, __arg_0: &MetadataBuilder<'a>) -> bool
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This method tests for !=
.
impl<'a> Ord for MetadataBuilder<'a>
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fn cmp(&self, __arg_0: &MetadataBuilder<'a>) -> Ordering
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This method returns an Ordering
between self
and other
. Read more
fn max(self, other: Self) -> Self
1.21.0[src]
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
1.21.0[src]
Compares and returns the minimum of two values. Read more
impl<'a> PartialOrd for MetadataBuilder<'a>
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fn partial_cmp(&self, __arg_0: &MetadataBuilder<'a>) -> Option<Ordering>
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This method returns an ordering between self
and other
values if one exists. Read more
fn lt(&self, __arg_0: &MetadataBuilder<'a>) -> bool
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This method tests less than (for self
and other
) and is used by the <
operator. Read more
fn le(&self, __arg_0: &MetadataBuilder<'a>) -> bool
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This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
fn gt(&self, __arg_0: &MetadataBuilder<'a>) -> bool
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This method tests greater than (for self
and other
) and is used by the >
operator. Read more
fn ge(&self, __arg_0: &MetadataBuilder<'a>) -> bool
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This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more
impl<'a> Hash for MetadataBuilder<'a>
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fn hash<__H: Hasher>(&self, __arg_0: &mut __H)
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Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more