Enum toml_edit::Item

pub enum Item {
    None,
    Value(Value),
    Table(Table),
    ArrayOfTables(ArrayOfTables),
}

Type representing either a value, a table, an array of tables, or none.

Variants

None

Type representing none.

Value(Value)

Type representing value.

Table(Table)

Type representing table.

ArrayOfTables(ArrayOfTables)

Type representing array of tables.

Implementations

impl Item

pub fn or_insert(&mut self, item: Item) -> &mut Item

Sets self to the given item iff self is none and returns a mutable reference to self.

impl Item

Downcasting

pub fn type_name(&self) -> &'static str

Text description of value type

pub fn get<I: Index>(&self, index: I) -> Option<&Item>

Index into a TOML array or map. A string index can be used to access a value in a map, and a usize index can be used to access an element of an array.

Returns None if:

• The type of self does not match the type of the index, for example if the index is a string and self is an array or a number.
• The given key does not exist in the map or the given index is not within the bounds of the array.

pub fn get_mut<I: Index>(&mut self, index: I) -> Option<&mut Item>

Mutably index into a TOML array or map. A string index can be used to access a value in a map, and a usize index can be used to access an element of an array.

Returns None if:

• The type of self does not match the type of the index, for example if the index is a string and self is an array or a number.
• The given key does not exist in the map or the given index is not within the bounds of the array.

pub fn as_value(&self) -> Option<&Value>

Casts self to value.

pub fn as_table(&self) -> Option<&Table>

Casts self to table.

pub fn as_array_of_tables(&self) -> Option<&ArrayOfTables>

Casts self to array of tables.

pub fn as_value_mut(&mut self) -> Option<&mut Value>

Casts self to mutable value.

pub fn as_table_mut(&mut self) -> Option<&mut Table>

Casts self to mutable table.

pub fn as_array_of_tables_mut(&mut self) -> Option<&mut ArrayOfTables>

Casts self to mutable array of tables.

pub fn into_value(self) -> Result<Value, Self>

Casts self to value.

pub fn make_value(&mut self)

In-place convert to a value

pub fn into_table(self) -> Result<Table, Self>

Casts self to table.

pub fn into_array_of_tables(self) -> Result<ArrayOfTables, Self>

Casts self to array of tables.

pub fn is_value(&self) -> bool

Returns true iff self is a value.

pub fn is_table(&self) -> bool

Returns true iff self is a table.

pub fn is_array_of_tables(&self) -> bool

Returns true iff self is an array of tables.

pub fn is_none(&self) -> bool

Returns true iff self is None.

pub fn as_integer(&self) -> Option<i64>

Casts self to integer.

pub fn is_integer(&self) -> bool

Returns true iff self is an integer.

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

Casts self to float.

pub fn is_float(&self) -> bool

Returns true iff self is a float.

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

Casts self to boolean.

pub fn is_bool(&self) -> bool

Returns true iff self is a boolean.

pub fn as_str(&self) -> Option<&str>

Casts self to str.

pub fn is_str(&self) -> bool

Returns true iff self is a string.

pub fn as_datetime(&self) -> Option<&Datetime>

Casts self to date-time.

pub fn is_datetime(&self) -> bool

Returns true iff self is a date-time.

pub fn as_array(&self) -> Option<&Array>

Casts self to array.

pub fn as_array_mut(&mut self) -> Option<&mut Array>

Casts self to mutable array.

pub fn is_array(&self) -> bool

Returns true iff self is an array.

pub fn as_inline_table(&self) -> Option<&InlineTable>

Casts self to inline table.

pub fn as_inline_table_mut(&mut self) -> Option<&mut InlineTable>

Casts self to mutable inline table.

pub fn is_inline_table(&self) -> bool

Returns true iff self is an inline table.

pub fn as_table_like(&self) -> Option<&dyn TableLike>

Casts self to either a table or an inline table.

pub fn as_table_like_mut(&mut self) -> Option<&mut dyn TableLike>

Casts self to either a table or an inline table.

pub fn is_table_like(&self) -> bool

Returns true iff self is either a table, or an inline table.

Trait Implementations

impl Clone for Item

fn clone(&self) -> Item

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Item

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

Formats the value using the given formatter.

impl Default for Item

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserializer<'de> for Item

type Error = Error

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

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

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

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

Hint that the Deserialize type is expecting an optional value.

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

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

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

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

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

Hint that the Deserialize type is expecting a bool value.

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

Hint that the Deserialize type is expecting a u8 value.

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

Hint that the Deserialize type is expecting a u16 value.

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

Hint that the Deserialize type is expecting a u32 value.

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

Hint that the Deserialize type is expecting a u64 value.

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

Hint that the Deserialize type is expecting an i8 value.

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

Hint that the Deserialize type is expecting an i16 value.

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

Hint that the Deserialize type is expecting an i32 value.

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

Hint that the Deserialize type is expecting an i64 value.

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

Hint that the Deserialize type is expecting a f32 value.

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

Hint that the Deserialize type is expecting a f64 value.

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

Hint that the Deserialize type is expecting a char value.

fn deserialize_str<V>(self, visitor: V) -> Result<V::Value, Self::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.

fn deserialize_string<V>(self, visitor: V) -> Result<V::Value, Self::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.

fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
    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>,

Hint that the Deserialize type is expecting a byte array and does not benefit from taking ownership of buffered data owned by the Deserializer.

fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value, Self::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.

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

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

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

Hint that the Deserialize type is expecting a unit value.

fn deserialize_struct<V>(
    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.

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

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

fn deserialize_unit_struct<V>(
    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.

fn deserialize_tuple_struct<V>(
    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.

fn deserialize_tuple<V>(
    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.

fn deserialize_identifier<V>(self, visitor: V) -> Result<V::Value, Self::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.

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

Hint that the Deserialize type is expecting an i128 value.

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

Hint that the Deserialize type is expecting an u128 value.

fn is_human_readable(&self) -> bool

Determine whether Deserialize implementations should expect to deserialize their human-readable form.

impl Display for Item

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

Formats the value using the given formatter.

impl FromStr for Item

fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a value from a &str

type Err = TomlError

The associated error which can be returned from parsing.

impl<I> Index<I> for Itemwhere
    I: Index,

type Output = Item

The returned type after indexing.

fn index(&self, index: I) -> &Item

Performs the indexing (container[index]) operation.

impl<I> IndexMut<I> for Itemwhere
    I: Index,

fn index_mut(&mut self, index: I) -> &mut Item

Performs the mutable indexing (container[index]) operation.

impl<'de> IntoDeserializer<'de, Error> for Item

type Deserializer = Item

The type of the deserializer being converted into.

fn into_deserializer(self) -> Self

Convert this value into a deserializer.