Trait slog::Value [−][src]
Value that can be serialized
Types that implement this type implement custom serialization in the
structured part of the log macros. Without an implementation of Value
for
your type you must emit using either the ?
“debug”, %
“display” or
SerdeValue
(if you have the nested-values
feature enabled) formatters.
Example
use slog::{Key, Value, Record, Result, Serializer}; struct MyNewType(i64); impl Value for MyNewType { fn serialize(&self, _rec: &Record, key: Key, serializer: &mut Serializer) -> Result { serializer.emit_i64(key, self.0) } }
See also KV
for formatting both the key and value.
Required methods
fn serialize(
&self,
record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
Serialize self into Serializer
Structs implementing this trait should generally
only call respective methods of serializer
.
Implementations on Foreign Types
impl<'a, V: ?Sized> Value for &'a V where
V: Value,
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V: Value,
impl Value for usize
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for isize
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for bool
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for char
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for u8
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for i8
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
[src]
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for u16
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for i16
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for u32
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for i32
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for f32
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for u64
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for i64
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for f64
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for u128
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
[src]
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for i128
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for ()
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for str
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl<'a> Value for Arguments<'a>
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for String
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl<T: Value> Value for Option<T>
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impl<T: ?Sized> Value for Box<T> where
T: Value,
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T: Value,
impl<T: ?Sized> Value for Arc<T> where
T: Value,
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T: Value,
impl<T> Value for Rc<T> where
T: Value,
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T: Value,
impl<T> Value for Wrapping<T> where
T: Value,
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T: Value,
impl<'a> Value for Display<'a>
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
impl Value for SocketAddr
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fn serialize(
&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
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&self,
_record: &Record<'_>,
key: Key,
serializer: &mut dyn Serializer
) -> Result
Implementors
impl<'a, V: 'a + Value, F> Value for FnValue<V, F> where
F: 'a + for<'c, 'd> Fn(&'c Record<'d>) -> V,
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F: 'a + for<'c, 'd> Fn(&'c Record<'d>) -> V,
impl<F> Value for PushFnValue<F> where
F: 'static + for<'c, 'd> Fn(&'c Record<'d>, PushFnValueSerializer<'c>) -> Result,
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F: 'static + for<'c, 'd> Fn(&'c Record<'d>, PushFnValueSerializer<'c>) -> Result,