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Object

Struct Object 

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pub struct Object { /* private fields */ }
Expand description

Represents a JSON object.

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impl Object

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pub fn add(&self, key: &str, value: &Value) -> Self

Adds a field to an object.

assert_eq!(Some("test".to_string()),
    Object::new().add("test", &String("test".to_string())).get_string("test"));
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pub fn add_array(&self, key: &str, value: &Array) -> Self

Adds a field to an object as an array.

assert_eq!(Some(1),
    Object::new()
        .add_array("test", &Array::new().add_integer(1))
        .get_array("test").and_then(|a| a.get_integer(0).ok()?));
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pub fn add_array_p(&self, pointer: &str, value: &Array) -> Option<Self>

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pub fn add_bool(&self, key: &str, value: bool) -> Self

Adds a field to an object as a bool.

assert_eq!(Some(true), Object::new().add_bool("test", true).get_bool("test"));
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pub fn add_bool_p(&self, pointer: &str, value: bool) -> Option<Self>

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pub fn add_decimal(&self, key: &str, value: f64) -> Self

Adds a field to an object as a decimal.

assert_eq!(Some(3.0), Object::new().add_decimal("test", 3.0).get_decimal("test"));
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pub fn add_decimal_p(&self, pointer: &str, value: f64) -> Option<Self>

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pub fn add_integer(&self, key: &str, value: i128) -> Self

Adds a field to an object as an integer.

assert_eq!(Some(3), Object::new().add_integer("test", 3).get_integer("test"));
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pub fn add_integer_p(&self, pointer: &str, value: i128) -> Option<Self>

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pub fn add_number(&self, key: &str, value: Number) -> Self

Adds a field to an object as a number.

assert_eq!(Some(3),
    Object::new()
        .add_number("test", Integer(3))
        .get_number("test").and_then(|n| n.as_integer()));
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pub fn add_number_p(&self, pointer: &str, value: Number) -> Option<Self>

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pub fn add_object(&self, key: &str, value: &Object) -> Self

Adds a field to an object as an object.

assert_eq!(Some(1),
    Object::new()
        .add_object("test", &Object::new().add_integer("test", 1))
        .get_object("test").and_then(|o| o.get_integer("test")));
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pub fn add_object_p(&self, pointer: &str, value: &Object) -> Option<Self>

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pub fn add_p(&self, pointer: &str, value: &Value) -> Option<Self>

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pub fn add_string(&self, key: &str, value: &str) -> Self

Adds a field to an object as an integer.

assert_eq!(Some("test".to_string()),
    Object::new().add_string("test", "test").get_string("test"));
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pub fn add_string_p(&self, pointer: &str, value: &str) -> Option<Self>

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pub fn get(&self, key: &str) -> Option<&Value>

Returns a value from the object if it exists at the given key.

let object = Object::new().add_string("test1", "test");

assert_eq!(Some("test".to_string()), object.get_string("test1"));
assert_eq!(None, object.get_string("test2"));
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pub fn get_array(&self, key: &str) -> Option<Array>

Returns a value from the object if it exists at the given key and if it is an array. Otherwise, None is returned.

let object = Object::new()
    .add_array("test1", &Array::new().add_integer(3))
    .add_integer("test2", 3);

assert_eq!(Some(3), object.get_array("test1").and_then(|a| a.get_integer(0).ok()?));
assert_eq!(None, object.get_array("test2"));
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pub fn get_array_p(&self, pointer: &str) -> Option<Array>

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pub fn get_bool(&self, key: &str) -> Option<bool>

Returns a value from the object if it exists at the given key and if it is a bool. Otherwise, None is returned.

let object = Object::new()
    .add_bool("test1", true)
    .add_integer("test2", 3);

assert_eq!(Some(true), object.get_bool("test1"));
assert_eq!(None, object.get_string("test2"));
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pub fn get_bool_p(&self, pointer: &str) -> Option<bool>

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pub fn get_decimal(&self, key: &str) -> Option<f64>

Returns a value from the object if it exists at the given key and if it is a decimal. Otherwise, None is returned.

let object = Object::new()
    .add_decimal("test1", 3.0)
    .add_integer("test2", 3);

assert_eq!(Some(3.0), object.get_decimal("test1"));
assert_eq!(None, object.get_string("test2"));
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pub fn get_decimal_p(&self, pointer: &str) -> Option<f64>

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pub fn get_integer(&self, key: &str) -> Option<i128>

Returns a value from the object if it exists at the given key and if it is an integer. Otherwise, None is returned.

let object = Object::new()
    .add_decimal("test1", 3.0)
    .add_integer("test2", 3);

assert_eq!(Some(3.0), object.get_decimal("test1"));
assert_eq!(None, object.get_string("test2"));
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pub fn get_integer_p(&self, pointer: &str) -> Option<i128>

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pub fn get_number(&self, key: &str) -> Option<Number>

Returns a value from the object if it exists at the given key and if it is a number. Otherwise, None is returned.

let object = Object::new()
    .add_number("test1", Number::Decimal(3.0))
    .add_integer("test2", 3);

assert_eq!(Some(3.0), object.get_number("test1").and_then(|n| n.as_decimal()));
assert_eq!(None, object.get_string("test2"));
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pub fn get_number_p(&self, pointer: &str) -> Option<Number>

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pub fn get_object(&self, key: &str) -> Option<Object>

Returns a value from the object if it exists at the given key and if it is an object. Otherwise, None is returned.

let object = Object::new()
    .add_object("test1", &Object::new().add_integer("test", 3))
    .add_integer("test2", 3);

assert_eq!(Some(3), object.get_object("test1").and_then(|a| a.get_integer("test")));
assert_eq!(None, object.get_array("test2"));
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pub fn get_object_p(&self, pointer: &str) -> Option<Object>

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pub fn get_p(&self, pointer: &str) -> Option<Value>

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pub fn get_string(&self, key: &str) -> Option<String>

Returns a value from the object if it exists at the given key and if it is a string. Otherwise, None is returned.

let object = Object::new()
    .add_string("test1", "test")
    .add_integer("test2", 3);

assert_eq!(Some("test".to_string()), object.get_string("test1"));
assert_eq!(None, object.get_string("test2"));
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pub fn get_string_p(&self, pointer: &str) -> Option<String>

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pub fn has_key(&self, key: &str) -> bool

Returns true if the object has a field with the given key.

let object = Object::new().add_string("test1", "test");

assert_eq!(true, object.has_key("test1"));
assert_eq!(false, object.has_key("test2"));
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pub fn iter(&self) -> ObjectIter<'_>

Returns an iterator over the key/value tuples of the object.

let object = Object::new().add_string("test1", "test1").add_integer("test2", 1);

assert_eq!(object, Object::from_iter(object.iter()));
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pub fn merge(&self, other: &Object) -> Self

Merges the other object into this one, overwriting existing entries.

let object = Object::new().add_string("test1", "test1").add_integer("test2", 1);
let other = Object::new().add_string("test1", "changed").add_integer("test3", 2);
let merged = Object::new().add_string("test1", "changed").add_integer("test2", 1).add_integer("test3", 2);

assert_eq!(merged, object.merge(&other));
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pub fn new() -> Self

Create an empty JSON object.

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pub fn remove(&self, key: &str) -> Self

Removes the field with the given key from the object.

let object = Object::new().add_string("test", "test");

assert_eq!(true, object.has_key("test"));
assert_eq!(false, object.remove("test").has_key("test"));
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pub fn remove_p(&self, pointer: &str) -> Option<Self>

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pub fn set(&self, key: &str, value: &Value) -> Self

Sets a field to an object.

assert_eq!(Some("test".to_string()),
    Object::new().set("test", &String("test".to_string())).get_string("test"));
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pub fn set_array(&self, key: &str, value: &Array) -> Self

Sets a field to an object as an array.

assert_eq!(Some(1),
    Object::new()
        .set_array("test", &Array::new().add_integer(1))
        .get_array("test").and_then(|a| a.get_integer(0).ok()?));
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pub fn set_array_p(&self, pointer: &str, value: &Array) -> Option<Self>

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pub fn set_bool(&self, key: &str, value: bool) -> Self

Sets a field to an object as a bool.

assert_eq!(Some(true), Object::new().set_bool("test", true).get_bool("test"));
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pub fn set_bool_p(&self, pointer: &str, value: bool) -> Option<Self>

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pub fn set_decimal(&self, key: &str, value: f64) -> Self

Sets a field to an object as a decimal.

assert_eq!(Some(3.0), Object::new().set_decimal("test", 3.0).get_decimal("test"));
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pub fn set_decimal_p(&self, pointer: &str, value: f64) -> Option<Self>

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pub fn set_integer(&self, key: &str, value: i128) -> Self

Sets a field to an object as an integer.

assert_eq!(Some(3), Object::new().set_integer("test", 3).get_integer("test"));
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pub fn set_integer_p(&self, pointer: &str, value: i128) -> Option<Self>

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pub fn set_number(&self, key: &str, value: Number) -> Self

Sets a field to an object as a number.

assert_eq!(Some(3),
    Object::new()
        .set_number("test", Integer(3))
        .get_number("test").and_then(|n| n.as_integer()));
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pub fn set_number_p(&self, pointer: &str, value: Number) -> Option<Self>

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pub fn set_object(&self, key: &str, value: &Object) -> Self

Sets a field to an object as an object.

assert_eq!(Some(1),
    Object::new()
        .set_object("test", &Object::new().add_integer("test", 1))
        .get_object("test").and_then(|o| o.get_integer("test")));
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pub fn set_object_p(&self, pointer: &str, value: &Object) -> Option<Self>

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pub fn set_p(&self, pointer: &str, value: &Value) -> Option<Self>

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pub fn set_string(&self, key: &str, value: &str) -> Self

Sets a field to an object as an integer.

assert_eq!(Some("test".to_string()),
    Object::new().set_string("test", "test").get_string("test"));
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pub fn set_string_p(&self, pointer: &str, value: &str) -> Option<Self>

Trait Implementations§

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impl Clone for Object

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fn clone(&self) -> Object

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
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impl Debug for Object

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

Formats the value using the given formatter. Read more
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impl Default for Object

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Display for Object

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

Converts a JSON object to a string.

let data = r#"
   {
       "string": "string",
       "int": 43,
       "float": 5.8,
       "boolean": true,
       "object": {"test": "test"},
       "array": [
           "string",
           1,
           3.0,
           false,
           {"test": "test"},
           [1]
       ]
   }"#;

let v: serde_json::Value = serde_json::from_str(data)?;

assert_eq!(Some(v), serde_json::from_str(&Value::from_str(data)?.to_string()).ok());
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impl Eq for Object

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impl FromIterator<(String, Value)> for Object

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fn from_iter<T: IntoIterator<Item = (String, Value)>>(iter: T) -> Self

Iterates over the key/value pairs of a JSON object.

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impl Hash for Object

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fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<'a> IntoIterator for &'a Object

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type Item = (String, Value)

The type of the elements being iterated over.
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type IntoIter = ObjectIter<'a>

Which kind of iterator are we turning this into?
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fn into_iter(self) -> ObjectIter<'a>

Creates an iterator from a value. Read more
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impl PartialEq for Object

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

Equality operator ==. Read more
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fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for Object

Auto Trait Implementations§

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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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
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.