Struct config::Config
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pub struct Config { pub cache: Value, // some fields omitted }
A prioritized configuration repository. It maintains a set of configuration sources, fetches values to populate those, and provides them according to the source's priority.
Fields
cache: Value
Root of the cached configuration.
Methods
impl Config
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fn new() -> Self
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fn merge<T>(&mut self, source: T) -> Result<&mut Config, ConfigError> where
T: 'static,
T: Source + Send + Sync,
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T: 'static,
T: Source + Send + Sync,
Merge in a configuration property source.
fn refresh(&mut self) -> Result<&mut Config, ConfigError>
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Refresh the configuration cache with fresh data from added sources.
Configuration is automatically refreshed after a mutation
operation (set
, merge
, set_default
, etc.).
fn set_default<T>(
&mut self,
key: &str,
value: T
) -> Result<&mut Config, ConfigError> where
T: Into<Value>,
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&mut self,
key: &str,
value: T
) -> Result<&mut Config, ConfigError> where
T: Into<Value>,
fn set<T>(&mut self, key: &str, value: T) -> Result<&mut Config, ConfigError> where
T: Into<Value>,
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T: Into<Value>,
fn get<'de, T: Deserialize<'de>>(&self, key: &'de str) -> Result<T, ConfigError>
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fn get_str(&self, key: &str) -> Result<String, ConfigError>
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fn get_int(&self, key: &str) -> Result<i64, ConfigError>
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fn get_float(&self, key: &str) -> Result<f64, ConfigError>
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fn get_bool(&self, key: &str) -> Result<bool, ConfigError>
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fn get_table(&self, key: &str) -> Result<HashMap<String, Value>, ConfigError>
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fn get_array(&self, key: &str) -> Result<Vec<Value>, ConfigError>
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fn try_into<'de, T: Deserialize<'de>>(self) -> Result<T, ConfigError>
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Attempt to deserialize the entire configuration into the requested type.
fn deserialize<'de, T: Deserialize<'de>>(self) -> Result<T, ConfigError>
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: please use 'try_into' instead
Trait Implementations
impl<'de> Deserializer<'de> for Config
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type Error = ConfigError
The error type that can be returned if some error occurs during deserialization. Read more
fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, ConfigError> where
V: Visitor<'de>,
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V: Visitor<'de>,
Require the Deserializer
to figure out how to drive the visitor based on what data type is in the input. Read more
fn deserialize_bool<V: Visitor<'de>>(
self,
visitor: V
) -> Result<V::Value, ConfigError>
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self,
visitor: V
) -> Result<V::Value, ConfigError>
Hint that the Deserialize
type is expecting a bool
value.
fn deserialize_i8<V: Visitor<'de>>(
self,
visitor: V
) -> Result<V::Value, ConfigError>
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self,
visitor: V
) -> Result<V::Value, ConfigError>
Hint that the Deserialize
type is expecting an i8
value.
fn deserialize_i16<V: Visitor<'de>>(
self,
visitor: V
) -> Result<V::Value, ConfigError>
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self,
visitor: V
) -> Result<V::Value, ConfigError>
Hint that the Deserialize
type is expecting an i16
value.
fn deserialize_i32<V: Visitor<'de>>(
self,
visitor: V
) -> Result<V::Value, ConfigError>
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self,
visitor: V
) -> Result<V::Value, ConfigError>
Hint that the Deserialize
type is expecting an i32
value.
fn deserialize_i64<V: Visitor<'de>>(
self,
visitor: V
) -> Result<V::Value, ConfigError>
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self,
visitor: V
) -> Result<V::Value, ConfigError>
Hint that the Deserialize
type is expecting an i64
value.
fn deserialize_u8<V: Visitor<'de>>(
self,
visitor: V
) -> Result<V::Value, ConfigError>
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self,
visitor: V
) -> Result<V::Value, ConfigError>
Hint that the Deserialize
type is expecting a u8
value.
fn deserialize_u16<V: Visitor<'de>>(
self,
visitor: V
) -> Result<V::Value, ConfigError>
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self,
visitor: V
) -> Result<V::Value, ConfigError>
Hint that the Deserialize
type is expecting a u16
value.
fn deserialize_u32<V: Visitor<'de>>(
self,
visitor: V
) -> Result<V::Value, ConfigError>
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self,
visitor: V
) -> Result<V::Value, ConfigError>
Hint that the Deserialize
type is expecting a u32
value.
fn deserialize_u64<V: Visitor<'de>>(
self,
visitor: V
) -> Result<V::Value, ConfigError>
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self,
visitor: V
) -> Result<V::Value, ConfigError>
Hint that the Deserialize
type is expecting a u64
value.
fn deserialize_f32<V: Visitor<'de>>(
self,
visitor: V
) -> Result<V::Value, ConfigError>
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self,
visitor: V
) -> Result<V::Value, ConfigError>
Hint that the Deserialize
type is expecting a f32
value.
fn deserialize_f64<V: Visitor<'de>>(
self,
visitor: V
) -> Result<V::Value, ConfigError>
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self,
visitor: V
) -> Result<V::Value, ConfigError>
Hint that the Deserialize
type is expecting a f64
value.
fn deserialize_str<V: Visitor<'de>>(
self,
visitor: V
) -> Result<V::Value, ConfigError>
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self,
visitor: V
) -> Result<V::Value, ConfigError>
Hint that the Deserialize
type is expecting a string value and does not benefit from taking ownership of buffered data owned by the Deserializer
. Read more
fn deserialize_string<V: Visitor<'de>>(
self,
visitor: V
) -> Result<V::Value, ConfigError>
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self,
visitor: V
) -> Result<V::Value, ConfigError>
Hint that the Deserialize
type is expecting a string value and would benefit from taking ownership of buffered data owned by the Deserializer
. Read more
fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, ConfigError> where
V: Visitor<'de>,
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V: Visitor<'de>,
Hint that the Deserialize
type is expecting an optional value. Read more
fn deserialize_char<V>(self, visitor: V) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
V: Visitor<'de>,
Hint that the Deserialize
type is expecting a char
value.
fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
V: Visitor<'de>,
Hint that the Deserialize
type is expecting a sequence of values.
fn deserialize_bytes<V>(self, visitor: V) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
V: Visitor<'de>,
Hint that the Deserialize
type is expecting a byte array and does not benefit from taking ownership of buffered data owned by the Deserializer
. Read more
fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
V: Visitor<'de>,
Hint that the Deserialize
type is expecting a byte array and would benefit from taking ownership of buffered data owned by the Deserializer
. Read more
fn deserialize_map<V>(self, visitor: V) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
V: Visitor<'de>,
Hint that the Deserialize
type is expecting a map of key-value pairs.
fn deserialize_struct<V>(
self,
name: &'static str,
fields: &'static [&'static str],
visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
self,
name: &'static str,
fields: &'static [&'static str],
visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
Hint that the Deserialize
type is expecting a struct with a particular name and fields. Read more
fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
V: Visitor<'de>,
Hint that the Deserialize
type is expecting a unit value.
fn deserialize_enum<V>(
self,
name: &'static str,
variants: &'static [&'static str],
visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
self,
name: &'static str,
variants: &'static [&'static str],
visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
Hint that the Deserialize
type is expecting an enum value with a particular name and possible variants. Read more
fn deserialize_newtype_struct<V>(
self,
name: &'static str,
visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
self,
name: &'static str,
visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
Hint that the Deserialize
type is expecting a newtype struct with a particular name. Read more
fn deserialize_identifier<V>(self, visitor: V) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
V: Visitor<'de>,
Hint that the Deserialize
type is expecting the name of a struct field or the discriminant of an enum variant. Read more
fn deserialize_ignored_any<V>(self, visitor: V) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
V: Visitor<'de>,
Hint that the Deserialize
type needs to deserialize a value whose type doesn't matter because it is ignored. Read more
fn deserialize_unit_struct<V>(
self,
name: &'static str,
visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
self,
name: &'static str,
visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
Hint that the Deserialize
type is expecting a unit struct with a particular name. Read more
fn deserialize_tuple_struct<V>(
self,
name: &'static str,
len: usize,
visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
self,
name: &'static str,
len: usize,
visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
Hint that the Deserialize
type is expecting a tuple struct with a particular name and number of fields. Read more
fn deserialize_tuple<V>(
self,
len: usize,
visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
self,
len: usize,
visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
Hint that the Deserialize
type is expecting a sequence of values and knows how many values there are without looking at the serialized data. Read more
fn is_human_readable(&self) -> bool
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Determine whether Deserialize
implementations should expect to deserialize their human-readable form. Read more
impl Default for Config
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impl Clone for Config
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fn clone(&self) -> Config
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Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl Debug for Config
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impl Source for Config
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fn clone_into_box(&self) -> Box<Source + Send + Sync>
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fn collect(&self) -> Result<HashMap<String, Value>, ConfigError>
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Collect all configuration properties available from this source and return a HashMap. Read more