pub enum Value {
}
Expand description
Represents any valid MessagePack value.
Variants§
Null
Nil represents nil.
Bool(bool)
Bool represents true or false.
I32(i32)
Int32
I64(i64)
Int64
U32(u32)
Uint32
U64(u64)
Uint64
F32(f32)
A 32-bit floating point number.
F64(f64)
A 64-bit floating point number.
String(String)
String extending Raw type represents a UTF-8 string.
Binary(Vec<u8>)
Binary extending Raw type represents a byte array.
Array(Vec<Self>)
Array represents a sequence of objects.
Map(ValueMap)
Map represents key-value pairs of objects.
Ext(&'static str, Box<Self>)
Extended implements Extension interface
Implementations§
source§impl Value
impl Value
sourcepub fn is_null(&self) -> bool
pub fn is_null(&self) -> bool
Returns true if the Value
is a Null. Returns false otherwise.
Examples
use rbs::Value;
assert!(Value::Null.is_null());
sourcepub fn is_bool(&self) -> bool
pub fn is_bool(&self) -> bool
Returns true if the Value
is a Bool. Returns false otherwise.
Examples
use rbs::Value;
assert!(Value::Bool(true).is_bool());
assert!(!Value::Null.is_bool());
sourcepub fn is_i64(&self) -> bool
pub fn is_i64(&self) -> bool
Returns true if the Value
is convertible to an i64. Returns false otherwise.
Examples
use rbs::Value;
assert!(Value::from(42).is_i64());
assert!(!Value::from(42.0).is_i64());
sourcepub fn is_u64(&self) -> bool
pub fn is_u64(&self) -> bool
Returns true if the Value
is convertible to an u64. Returns false otherwise.
sourcepub fn is_f32(&self) -> bool
pub fn is_f32(&self) -> bool
Returns true if (and only if) the Value
is a f32. Returns false otherwise.
Examples
use rbs::Value;
assert!(Value::F32(42.0).is_f32());
assert!(!Value::from(42).is_f32());
assert!(!Value::F64(42.0).is_f32());
sourcepub fn is_f64(&self) -> bool
pub fn is_f64(&self) -> bool
Returns true if (and only if) the Value
is a f64. Returns false otherwise.
Examples
use rbs::Value;
assert!(Value::F64(42.0).is_f64());
assert!(!Value::from(42).is_f64());
assert!(!Value::F32(42.0).is_f64());
sourcepub fn is_number(&self) -> bool
pub fn is_number(&self) -> bool
Returns true if the Value
is a Number. Returns false otherwise.
Examples
use rbs::Value;
assert!(Value::from(42).is_number());
assert!(Value::F32(42.0).is_number());
assert!(Value::F64(42.0).is_number());
assert!(!Value::Null.is_number());
sourcepub fn is_str(&self) -> bool
pub fn is_str(&self) -> bool
Returns true if the Value
is a String. Returns false otherwise.
Examples
use rbs::Value;
assert!(Value::String("value".into()).is_str());
assert!(!Value::Null.is_str());
sourcepub fn as_bool(&self) -> Option<bool>
pub fn as_bool(&self) -> Option<bool>
If the Value
is a Bool, returns the associated bool.
Returns None otherwise.
Examples
use rbs::Value;
assert_eq!(Some(true), Value::Bool(true).as_bool());
assert_eq!(None, Value::Null.as_bool());
sourcepub fn as_i64(&self) -> Option<i64>
pub fn as_i64(&self) -> Option<i64>
If the Value
is an integer, return or cast it to a i64.
Returns None otherwise.
sourcepub fn as_u64(&self) -> Option<u64>
pub fn as_u64(&self) -> Option<u64>
If the Value
is an integer, return or cast it to a u64.
Returns None otherwise.
sourcepub fn as_f64(&self) -> Option<f64>
pub fn as_f64(&self) -> Option<f64>
If the Value
is a number, return or cast it to a f64.
Returns None otherwise.
Examples
use rbs::Value;
assert_eq!(Some(42.0), Value::from(42).as_f64());
assert_eq!(Some(42.0), Value::F32(42.0f32).as_f64());
assert_eq!(Some(42.0), Value::F64(42.0f64).as_f64());
assert_eq!(Some(2147483647.0), Value::from(i32::max_value() as i64).as_f64());
assert_eq!(None, Value::Null.as_f64());
sourcepub fn as_str(&self) -> Option<&str>
pub fn as_str(&self) -> Option<&str>
If the Value
is a String, returns the associated str.
Returns None otherwise.
Examples
use rbs::Value;
assert_eq!(Some("le message"), Value::String("le message".into()).as_str());
assert_eq!(None, Value::Bool(true).as_str());
pub fn as_string(&self) -> Option<String>
pub fn into_string(self) -> Option<String>
sourcepub fn into_bytes(self) -> Option<Vec<u8>>
pub fn into_bytes(self) -> Option<Vec<u8>>
self to Binary
sourcepub fn as_slice(&self) -> Option<&[u8]>
pub fn as_slice(&self) -> Option<&[u8]>
If the Value
is a Binary or a String, returns the associated slice.
Returns None otherwise.
Examples
use rbs::Value;
assert_eq!(Some(&[1, 2, 3, 4, 5][..]), Value::Binary(vec![1, 2, 3, 4, 5]).as_slice());
assert_eq!(None, Value::Bool(true).as_slice());
sourcepub fn as_array(&self) -> Option<&Vec<Value>>
pub fn as_array(&self) -> Option<&Vec<Value>>
If the Value
is an Array, returns the associated vector.
Returns None otherwise.
Examples
use rbs::Value;
let val = Value::Array(vec![Value::Null, Value::Bool(true)]);
assert_eq!(Some(&vec![Value::Null, Value::Bool(true)]), val.as_array());
assert_eq!(None, Value::Null.as_array());
sourcepub fn as_map(&self) -> Option<&ValueMap>
pub fn as_map(&self) -> Option<&ValueMap>
If the Value
is a Map, returns the associated vector of key-value tuples.
Returns None otherwise.
sourcepub fn as_ext(&self) -> Option<(&str, &Box<Value>)>
pub fn as_ext(&self) -> Option<(&str, &Box<Value>)>
If the Value
is an Ext, returns the associated tuple with a ty and slice.
Returns None otherwise.
pub fn into_map(self) -> Option<ValueMap>
pub fn into_array(self) -> Option<Vec<Value>>
Trait Implementations§
source§impl<'de> Deserialize<'de> for Value
impl<'de> Deserialize<'de> for Value
source§fn deserialize<D>(de: D) -> Result<Self, D::Error>where
D: Deserializer<'de>,
fn deserialize<D>(de: D) -> Result<Self, D::Error>where
D: Deserializer<'de>,
source§impl<'de> Deserializer<'de> for Value
impl<'de> Deserializer<'de> for Value
source§fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::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_option<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Deserialize
type is expecting an optional value. Read moresource§fn deserialize_enum<V>(
self,
_name: &str,
_variants: &'static [&'static str],
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_enum<V>(
self,
_name: &str,
_variants: &'static [&'static str],
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Deserialize
type is expecting an enum value with a
particular name and possible variants.source§fn deserialize_newtype_struct<V>(
self,
_name: &'static str,
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_newtype_struct<V>(
self,
_name: &'static str,
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Deserialize
type is expecting a newtype struct with a
particular name.source§fn deserialize_unit_struct<V>(
self,
_name: &'static str,
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_unit_struct<V>(
self,
_name: &'static str,
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Deserialize
type is expecting a unit struct with a
particular name.source§fn deserialize_bool<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_bool<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Deserialize
type is expecting a bool
value.source§fn deserialize_u8<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_u8<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Deserialize
type is expecting a u8
value.source§fn deserialize_u16<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_u16<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Deserialize
type is expecting a u16
value.source§fn deserialize_u32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_u32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Deserialize
type is expecting a u32
value.source§fn deserialize_u64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_u64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Deserialize
type is expecting a u64
value.source§fn deserialize_i8<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_i8<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Deserialize
type is expecting an i8
value.source§fn deserialize_i16<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_i16<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Deserialize
type is expecting an i16
value.source§fn deserialize_i32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_i32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Deserialize
type is expecting an i32
value.source§fn deserialize_i64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_i64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Deserialize
type is expecting an i64
value.source§fn deserialize_f32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_f32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Deserialize
type is expecting a f32
value.source§fn deserialize_f64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_f64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Deserialize
type is expecting a f64
value.source§fn deserialize_char<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_char<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Deserialize
type is expecting a char
value.source§fn deserialize_str<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_str<V>(self, visitor: V) -> Result<V::Value, Self::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::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_string<V>(self, visitor: V) -> Result<V::Value, Self::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_unit<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
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V: Visitor<'de>,
Deserialize
type is expecting a unit value.source§fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
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V: Visitor<'de>,
Deserialize
type is expecting a sequence of values.source§fn deserialize_bytes<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_bytes<V>(self, visitor: V) -> Result<V::Value, Self::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
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V: Visitor<'de>,
fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Deserialize
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benefit from taking ownership of buffered data owned by the
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V: Visitor<'de>,
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V: Visitor<'de>,
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self,
name: &'static str,
len: usize,
visitor: V
) -> Result<V::Value, Self::Error>where
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self,
name: &'static str,
len: usize,
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
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self,
name: &'static str,
fields: &'static [&'static str],
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
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self,
name: &'static str,
fields: &'static [&'static str],
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
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self,
len: usize,
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
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self,
len: usize,
visitor: V
) -> Result<V::Value, Self::Error>where
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self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, Self::Error>where
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self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, Self::Error>where
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self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, Self::Error>where
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self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, Self::Error>where
V: Visitor<'de>,
source§fn is_human_readable(&self) -> bool
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Deserialize
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