Struct config::Value
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pub struct Value { pub kind: ValueKind, // some fields omitted }
A configuration value.
Fields
kind: ValueKind
Underlying kind of the configuration value.
Methods
impl Value
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fn new<V>(origin: Option<&String>, kind: V) -> Self where
V: Into<ValueKind>,
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V: Into<ValueKind>,
Create a new value instance that will remember its source uri.
fn try_into<'de, T: Deserialize<'de>>(self) -> Result<T, ConfigError>
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Attempt to deserialize this value into the requested type.
fn into_bool(self) -> Result<bool, ConfigError>
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Returns self
as a bool, if possible.
fn into_int(self) -> Result<i64, ConfigError>
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Returns self
into an i64, if possible.
fn into_float(self) -> Result<f64, ConfigError>
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Returns self
into a f64, if possible.
fn into_str(self) -> Result<String, ConfigError>
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Returns self
into a str, if possible.
fn into_array(self) -> Result<Vec<Value>, ConfigError>
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Returns self
into an array, if possible
fn into_table(self) -> Result<HashMap<String, Value>, ConfigError>
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If the Value
is a Table, returns the associated Map.
Trait Implementations
impl Default for Value
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impl Debug for Value
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impl Clone for Value
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fn clone(&self) -> Value
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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 PartialEq for Value
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fn eq(&self, __arg_0: &Value) -> 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: &Value) -> bool
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This method tests for !=
.
impl<'de> Deserialize<'de> for Value
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fn deserialize<D>(deserializer: D) -> Result<Value, D::Error> where
D: Deserializer<'de>,
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D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
impl<T> From<T> for Value where
T: Into<ValueKind>,
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T: Into<ValueKind>,
impl Display for Value
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fn fmt(&self, f: &mut Formatter) -> Result
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Formats the value using the given formatter. Read more
impl<'de> Deserializer<'de> for Value
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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