Skip to main content

Value

Enum Value 

Source
pub enum Value {
    Bool(bool),
    Int(isize),
    Float(f64),
    String(String),
    List(Vec<LocatedValue>),
    Map(Map),
    Null,
}
Expand description

Dynamically typed configuration value.

Variants§

§

Bool(bool)

§

Int(isize)

§

Float(f64)

§

String(String)

§

List(Vec<LocatedValue>)

§

Map(Map)

§

Null

Implementations§

Source§

impl Value

Source

pub fn try_deserialize<'de, T: Deserialize<'de>>(&'de self) -> Result<T, Error>

Deserialize this value into T. Errors carry no source location; prefer LocatedValue::try_deserialize when a location is available.

Source§

impl Value

Source

pub fn new_map() -> Self

Source

pub fn new_list() -> Self

Source

pub fn new_string() -> Self

Source

pub fn is_bool(&self) -> bool

Source

pub fn as_bool(&self) -> Option<bool>

Source

pub fn into_bool(self) -> Option<bool>

Source

pub fn bool_mut(&mut self) -> Option<&mut bool>

Source

pub fn is_int(&self) -> bool

Source

pub fn as_int(&self) -> Option<isize>

Source

pub fn into_int(self) -> Option<isize>

Source

pub fn int_mut(&mut self) -> Option<&mut isize>

Source

pub fn is_float(&self) -> bool

Source

pub fn as_float(&self) -> Option<f64>

Source

pub fn into_float(self) -> Option<f64>

Source

pub fn float_mut(&mut self) -> Option<&mut f64>

Source

pub fn is_string(&self) -> bool

Source

pub fn as_string(&self) -> Option<&String>

Source

pub fn into_string(self) -> Option<String>

Source

pub fn string_mut(&mut self) -> Option<&mut String>

Source

pub fn is_list(&self) -> bool

Source

pub fn as_list(&self) -> Option<&Vec<LocatedValue>>

Source

pub fn into_list(self) -> Option<Vec<LocatedValue>>

Source

pub fn list_mut(&mut self) -> Option<&mut Vec<LocatedValue>>

Source

pub fn is_map(&self) -> bool

Source

pub fn as_map(&self) -> Option<&Map>

Source

pub fn into_map(self) -> Option<Map>

Source

pub fn map_mut(&mut self) -> Option<&mut Map>

Source

pub fn is_null(&self) -> bool

Source

pub fn type_name(&self) -> ValueType

Trait Implementations§

Source§

impl AsRef<Value> for Value

Source§

fn as_ref(&self) -> &Value

Converts this type into a shared reference of the (usually inferred) input type.
Source§

impl AsRef<Value> for LocatedValue

Source§

fn as_ref(&self) -> &Value

Converts this type into a shared reference of the (usually inferred) input type.
Source§

impl Clone for Value

Source§

fn clone(&self) -> Value

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
Source§

impl Debug for Value

Source§

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

Formats the value using the given formatter. Read more
Source§

impl<'de> Deserializer<'de> for &'de Value

Source§

type Error = Error

The error type that can be returned if some error occurs during deserialization.
Source§

fn deserialize_any<V: Visitor<'de>>(self, visitor: V) -> Result<V::Value, Error>

Require the Deserializer to figure out how to drive the visitor based on what data type is in the input. Read more
Source§

fn deserialize_option<V: Visitor<'de>>( self, visitor: V, ) -> Result<V::Value, Error>

Hint that the Deserialize type is expecting an optional value. Read more
Source§

fn deserialize_newtype_struct<V: Visitor<'de>>( self, _name: &'static str, visitor: V, ) -> Result<V::Value, Error>

Hint that the Deserialize type is expecting a newtype struct with a particular name.
Source§

fn deserialize_enum<V: Visitor<'de>>( self, _name: &'static str, _variants: &'static [&'static str], visitor: V, ) -> Result<V::Value, Error>

Hint that the Deserialize type is expecting an enum value with a particular name and possible variants.
Source§

fn deserialize_bool<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a bool value.
Source§

fn deserialize_i8<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting an i8 value.
Source§

fn deserialize_i16<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting an i16 value.
Source§

fn deserialize_i32<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting an i32 value.
Source§

fn deserialize_i64<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting an i64 value.
Source§

fn deserialize_i128<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting an i128 value. Read more
Source§

fn deserialize_u8<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a u8 value.
Source§

fn deserialize_u16<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a u16 value.
Source§

fn deserialize_u32<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a u32 value.
Source§

fn deserialize_u64<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a u64 value.
Source§

fn deserialize_u128<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting an u128 value. Read more
Source§

fn deserialize_f32<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a f32 value.
Source§

fn deserialize_f64<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a f64 value.
Source§

fn deserialize_char<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a char value.
Source§

fn deserialize_str<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

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
Source§

fn deserialize_string<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

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
Source§

fn deserialize_bytes<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where 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
Source§

fn deserialize_byte_buf<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where 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
Source§

fn deserialize_unit<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a unit value.
Source§

fn deserialize_unit_struct<V>( self, name: &'static str, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a unit struct with a particular name.
Source§

fn deserialize_seq<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a sequence of values.
Source§

fn deserialize_tuple<V>( self, len: usize, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::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.
Source§

fn deserialize_tuple_struct<V>( self, name: &'static str, len: usize, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a tuple struct with a particular name and number of fields.
Source§

fn deserialize_map<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a map of key-value pairs.
Source§

fn deserialize_struct<V>( self, name: &'static str, fields: &'static [&'static str], visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a struct with a particular name and fields.
Source§

fn deserialize_identifier<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type is expecting the name of a struct field or the discriminant of an enum variant.
Source§

fn deserialize_ignored_any<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>
where V: Visitor<'de>,

Hint that the Deserialize type needs to deserialize a value whose type doesn’t matter because it is ignored. Read more
Source§

fn is_human_readable(&self) -> bool

Determine whether Deserialize implementations should expect to deserialize their human-readable form. Read more
Source§

impl Display for Value

Source§

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

Formats the value using the given formatter. Read more
Source§

impl PartialEq for Value

Source§

fn eq(&self, other: &Value) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
Source§

impl StructuralPartialEq for Value

Auto Trait Implementations§

§

impl Freeze for Value

§

impl RefUnwindSafe for Value

§

impl Send for Value

§

impl Sync for Value

§

impl Unpin for Value

§

impl UnsafeUnpin for Value

§

impl UnwindSafe for Value

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

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

Mutably borrows from an owned value. Read more
Source§

impl<T> CloneToUninit for T
where T: Clone,

Source§

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

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

Source§

impl<T> ToOwned for T
where T: Clone,

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
Source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
Source§

impl<T> ToString for T
where T: Display + ?Sized,

Source§

fn to_string(&self) -> String

Converts the given value to a String. Read more
Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.