pub enum Value {
Null,
Bool(bool),
Number(Number),
String(String),
Array(Vec<Value>),
Object(IndexMap<String, Value>),
}Expand description
Represents any valid TOON value.
This type is useful when you need to work with TOON data dynamically without knowing the schema ahead of time.
§Examples
use serde_toon2::{Value, Map, Number};
// Create a simple value
let name = Value::String("Ada".to_string());
// Create an object
let mut map = Map::new();
map.insert("name".to_string(), Value::String("Ada".to_string()));
map.insert("age".to_string(), Value::Number(Number::U64(42)));
let obj = Value::Object(map);Variants§
Null
Represents a null value.
Bool(bool)
Represents a boolean value.
Number(Number)
Represents a numeric value.
String(String)
Represents a string value.
Array(Vec<Value>)
Represents an array of values.
Object(IndexMap<String, Value>)
Represents an object (map of string keys to values).
Implementations§
Source§impl Value
impl Value
Sourcepub fn is_null(&self) -> bool
pub fn is_null(&self) -> bool
Returns true if this value is null.
§Examples
use serde_toon2::Value;
assert!(Value::Null.is_null());
assert!(!Value::Bool(false).is_null());Sourcepub fn as_bool(&self) -> Option<bool>
pub fn as_bool(&self) -> Option<bool>
If this value is a boolean, returns it. Otherwise returns None.
§Examples
use serde_toon2::Value;
assert_eq!(Value::Bool(true).as_bool(), Some(true));
assert_eq!(Value::Null.as_bool(), None);Sourcepub fn as_i64(&self) -> Option<i64>
pub fn as_i64(&self) -> Option<i64>
If this value is a number, tries to convert it to i64. Otherwise returns None.
§Examples
use serde_toon2::Value;
let v: Value = 42i64.into();
assert_eq!(v.as_i64(), Some(42));
let v = Value::String("42".to_string());
assert_eq!(v.as_i64(), None);Sourcepub fn as_u64(&self) -> Option<u64>
pub fn as_u64(&self) -> Option<u64>
If this value is a number, tries to convert it to u64. Otherwise returns None.
§Examples
use serde_toon2::Value;
let v: Value = 42u64.into();
assert_eq!(v.as_u64(), Some(42));
let v: Value = (-42i64).into();
assert_eq!(v.as_u64(), None);Sourcepub fn as_f64(&self) -> Option<f64>
pub fn as_f64(&self) -> Option<f64>
If this value is a number, converts it to f64. Otherwise returns None.
§Examples
use serde_toon2::Value;
let v: Value = 3.14.into();
assert_eq!(v.as_f64(), Some(3.14));
let v = Value::String("3.14".to_string());
assert_eq!(v.as_f64(), None);Sourcepub fn as_str(&self) -> Option<&str>
pub fn as_str(&self) -> Option<&str>
If this value is a string, returns a reference to it. Otherwise returns None.
§Examples
use serde_toon2::Value;
let v = Value::String("hello".to_string());
assert_eq!(v.as_str(), Some("hello"));
let v = Value::Null;
assert_eq!(v.as_str(), None);Sourcepub fn as_array(&self) -> Option<&Vec<Value>>
pub fn as_array(&self) -> Option<&Vec<Value>>
If this value is an array, returns a reference to it. Otherwise returns None.
§Examples
use serde_toon2::Value;
let v = Value::Array(vec![Value::String("a".to_string())]);
assert!(v.as_array().is_some());
let v = Value::Null;
assert!(v.as_array().is_none());Sourcepub fn as_object(&self) -> Option<&IndexMap<String, Value>>
pub fn as_object(&self) -> Option<&IndexMap<String, Value>>
If this value is an object, returns a reference to it. Otherwise returns None.
§Examples
use serde_toon2::{Value, Map};
let mut map = Map::new();
map.insert("key".to_string(), Value::String("value".to_string()));
let v = Value::Object(map);
assert!(v.as_object().is_some());
let v = Value::Null;
assert!(v.as_object().is_none());Trait Implementations§
Source§impl<'de> Deserialize<'de> for Value
impl<'de> Deserialize<'de> for Value
Source§fn deserialize<__D>(
__deserializer: __D,
) -> Result<Value, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(
__deserializer: __D,
) -> Result<Value, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
Source§impl<'de> Deserializer<'de> for Value
impl<'de> Deserializer<'de> for Value
Source§type Error = Error
type Error = Error
Source§fn deserialize_any<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, Error>where
V: Visitor<'de>,
fn deserialize_any<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, Error>where
V: Visitor<'de>,
Deserializer to figure out how to drive the visitor based
on what data type is in the input. Read moreSource§fn deserialize_bool<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_bool<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting a bool value.Source§fn deserialize_i8<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_i8<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting an i8 value.Source§fn deserialize_i16<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_i16<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting an i16 value.Source§fn deserialize_i32<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_i32<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting an i32 value.Source§fn deserialize_i64<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_i64<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting an i64 value.Source§fn deserialize_i128<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_i128<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Source§fn deserialize_u8<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_u8<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting a u8 value.Source§fn deserialize_u16<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_u16<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting a u16 value.Source§fn deserialize_u32<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_u32<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting a u32 value.Source§fn deserialize_u64<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_u64<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting a u64 value.Source§fn deserialize_u128<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_u128<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Source§fn deserialize_f32<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_f32<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting a f32 value.Source§fn deserialize_f64<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_f64<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting a f64 value.Source§fn deserialize_char<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_char<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting a char value.Source§fn deserialize_str<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_str<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting a string value and does
not benefit from taking ownership of buffered data owned by the
Deserializer. Read moreSource§fn deserialize_string<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_string<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting a string value and would
benefit from taking ownership of buffered data owned by the
Deserializer. Read moreSource§fn deserialize_bytes<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_bytes<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting a byte array and does not
benefit from taking ownership of buffered data owned by the
Deserializer. Read moreSource§fn deserialize_byte_buf<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_byte_buf<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting a byte array and would
benefit from taking ownership of buffered data owned by the
Deserializer. Read moreSource§fn deserialize_option<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_option<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting an optional value. Read moreSource§fn deserialize_unit<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_unit<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting a unit value.Source§fn deserialize_unit_struct<V>(
self,
name: &'static str,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_unit_struct<V>(
self,
name: &'static str,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting a unit struct with a
particular name.Source§fn deserialize_newtype_struct<V>(
self,
name: &'static str,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_newtype_struct<V>(
self,
name: &'static str,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting a newtype struct with a
particular name.Source§fn deserialize_seq<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_seq<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting a sequence of values.Source§fn deserialize_tuple<V>(
self,
len: usize,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_tuple<V>(
self,
len: usize,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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 as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_tuple_struct<V>(
self,
name: &'static str,
len: usize,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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 as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_map<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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 as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_struct<V>(
self,
name: &'static str,
fields: &'static [&'static str],
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting a struct with a particular
name and fields.Source§fn deserialize_enum<V>(
self,
name: &'static str,
variants: &'static [&'static str],
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_enum<V>(
self,
name: &'static str,
variants: &'static [&'static str],
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type is expecting an enum value with a
particular name and possible variants.Source§fn deserialize_identifier<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_identifier<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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 as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_ignored_any<V>(
self,
visitor: V,
) -> Result<<V as Visitor<'de>>::Value, <Value as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Deserialize type needs to deserialize a value whose type
doesn’t matter because it is ignored. Read moreSource§fn is_human_readable(&self) -> bool
fn is_human_readable(&self) -> bool
Deserialize implementations should expect to
deserialize their human-readable form. Read more