Trait tremor_value::prelude::ValueAccessTrait[−][src]

pub trait ValueAccessTrait {
    type Target: ValueAccess;
    type Key: Hash + Eq;
    type Array: Array;
    type Object: Object;

Show methods    #[must_use]
    fn as_bool(&self) -> Option<bool>;

    #[must_use]
    fn as_i64(&self) -> Option<i64>;

    #[must_use]
    fn as_u64(&self) -> Option<u64>;

    #[must_use]
    fn as_f64(&self) -> Option<f64>;

    #[must_use]
    fn as_str(&self) -> Option<&str>;

    #[must_use]
    fn as_array(&self) -> Option<&Self::Array>;

    #[must_use]
    fn as_object(&self) -> Option<&Self::Object>;

    #[must_use]
    fn get<Q>(&self, k: &Q) -> Option<&Self::Target>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn contains_key<Q>(&self, k: &Q) -> bool
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn get_idx(&self, i: usize) -> Option<&Self::Target> { ... }

    #[must_use]
    fn get_bool<Q>(&self, k: &Q) -> Option<bool>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn as_i128(&self) -> Option<i128> { ... }

    #[must_use]
    fn get_i128<Q>(&self, k: &Q) -> Option<i128>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn get_i64<Q>(&self, k: &Q) -> Option<i64>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn as_i32(&self) -> Option<i32> { ... }

    #[must_use]
    fn get_i32<Q>(&self, k: &Q) -> Option<i32>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn as_i16(&self) -> Option<i16> { ... }

    #[must_use]
    fn get_i16<Q>(&self, k: &Q) -> Option<i16>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn as_i8(&self) -> Option<i8> { ... }

    #[must_use]
    fn get_i8<Q>(&self, k: &Q) -> Option<i8>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn as_u128(&self) -> Option<u128> { ... }

    #[must_use]
    fn get_u128<Q>(&self, k: &Q) -> Option<u128>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn get_u64<Q>(&self, k: &Q) -> Option<u64>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn as_usize(&self) -> Option<usize> { ... }

    #[must_use]
    fn get_usize<Q>(&self, k: &Q) -> Option<usize>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn as_u32(&self) -> Option<u32> { ... }

    #[must_use]
    fn get_u32<Q>(&self, k: &Q) -> Option<u32>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn as_u16(&self) -> Option<u16> { ... }

    #[must_use]
    fn get_u16<Q>(&self, k: &Q) -> Option<u16>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn as_u8(&self) -> Option<u8> { ... }

    #[must_use]
    fn get_u8<Q>(&self, k: &Q) -> Option<u8>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn get_f64<Q>(&self, k: &Q) -> Option<f64>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn cast_f64(&self) -> Option<f64> { ... }

    #[must_use]
    fn as_f32(&self) -> Option<f32> { ... }

    #[must_use]
    fn get_f32<Q>(&self, k: &Q) -> Option<f32>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn as_char(&self) -> Option<char> { ... }

    #[must_use]
    fn get_str<Q>(&self, k: &Q) -> Option<&str>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn get_array<Q>(
        &self, 
        k: &Q
    ) -> Option<&<Self::Target as ValueAccess>::Array>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

    #[must_use]
    fn get_object<Q>(
        &self, 
        k: &Q
    ) -> Option<&<Self::Target as ValueAccess>::Object>
    where
        Q: Hash + Eq + Ord + ?Sized,
        Self::Key: Borrow<Q>,
        Self::Key: Hash,
        Self::Key: Eq,
    { ... }

}
Expand description

Trait to allow accessing data inside a Value

Associated Types

type Target: ValueAccess[src]

The target for nested lookups

type Key: Hash + Eq[src]

The type for Objects

type Array: Array[src]

The array structure

type Object: Object[src]

The object structure

Required methods

#[must_use]
fn as_bool(&self) -> Option<bool>[src]

Tries to represent the value as a bool

#[must_use]
fn as_i64(&self) -> Option<i64>[src]

Tries to represent the value as an i64

#[must_use]
fn as_u64(&self) -> Option<u64>[src]

Tries to represent the value as an u64

#[must_use]
fn as_f64(&self) -> Option<f64>[src]

Tries to represent the value as a f64

#[must_use]
fn as_str(&self) -> Option<&str>[src]

Tries to represent the value as a &str

#[must_use]
fn as_array(&self) -> Option<&Self::Array>[src]

Tries to represent the value as an array and returns a refference to it

#[must_use]
fn as_object(&self) -> Option<&Self::Object>[src]

Tries to represent the value as an object and returns a refference to it

Provided methods

#[must_use]
fn get<Q>(&self, k: &Q) -> Option<&Self::Target> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Gets a ref to a value based on a key, returns None if the current Value isn’t an Object or doesn’t contain the key it was asked for.

#[must_use]
fn contains_key<Q>(&self, k: &Q) -> bool where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Checks if a Value contains a given key. This will return flase if Value isn’t an object

#[must_use]
fn get_idx(&self, i: usize) -> Option<&Self::Target>[src]

Gets a ref to a value based on n index, returns None if the current Value isn’t an Array or doesn’t contain the index it was asked for.

#[must_use]
fn get_bool<Q>(&self, k: &Q) -> Option<bool> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Tries to get an element of an object as a bool

#[must_use]
fn as_i128(&self) -> Option<i128>[src]

Tries to represent the value as an i128

#[must_use]
fn get_i128<Q>(&self, k: &Q) -> Option<i128> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Tries to get an element of an object as a i128

#[must_use]
fn get_i64<Q>(&self, k: &Q) -> Option<i64> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Tries to get an element of an object as a i64

#[must_use]
fn as_i32(&self) -> Option<i32>[src]

Tries to represent the value as an i32

#[must_use]
fn get_i32<Q>(&self, k: &Q) -> Option<i32> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Tries to get an element of an object as a i32

#[must_use]
fn as_i16(&self) -> Option<i16>[src]

Tries to represent the value as an i16

#[must_use]
fn get_i16<Q>(&self, k: &Q) -> Option<i16> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Tries to get an element of an object as a i16

#[must_use]
fn as_i8(&self) -> Option<i8>[src]

Tries to represent the value as an i8

#[must_use]
fn get_i8<Q>(&self, k: &Q) -> Option<i8> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Tries to get an element of an object as a i8

#[must_use]
fn as_u128(&self) -> Option<u128>[src]

Tries to represent the value as an u128

#[must_use]
fn get_u128<Q>(&self, k: &Q) -> Option<u128> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Tries to get an element of an object as a u128

#[must_use]
fn get_u64<Q>(&self, k: &Q) -> Option<u64> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Tries to get an element of an object as a u64

#[must_use]
fn as_usize(&self) -> Option<usize>[src]

Tries to represent the value as an usize

#[must_use]
fn get_usize<Q>(&self, k: &Q) -> Option<usize> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Tries to get an element of an object as a usize

#[must_use]
fn as_u32(&self) -> Option<u32>[src]

Tries to represent the value as an u32

#[must_use]
fn get_u32<Q>(&self, k: &Q) -> Option<u32> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Tries to get an element of an object as a u32

#[must_use]
fn as_u16(&self) -> Option<u16>[src]

Tries to represent the value as an u16

#[must_use]
fn get_u16<Q>(&self, k: &Q) -> Option<u16> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Tries to get an element of an object as a u16

#[must_use]
fn as_u8(&self) -> Option<u8>[src]

Tries to represent the value as an u8

#[must_use]
fn get_u8<Q>(&self, k: &Q) -> Option<u8> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Tries to get an element of an object as a u8

#[must_use]
fn get_f64<Q>(&self, k: &Q) -> Option<f64> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Tries to get an element of an object as a f64

#[must_use]
fn cast_f64(&self) -> Option<f64>[src]

Casts the current value to a f64 if possible, this will turn integer values into floats.

#[must_use]
fn as_f32(&self) -> Option<f32>[src]

Tries to represent the value as a f32

#[must_use]
fn get_f32<Q>(&self, k: &Q) -> Option<f32> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Tries to get an element of an object as a f32

#[must_use]
fn as_char(&self) -> Option<char>[src]

Tries to represent the value as a Char

#[must_use]
fn get_str<Q>(&self, k: &Q) -> Option<&str> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Tries to get an element of an object as a str

#[must_use]
fn get_array<Q>(&self, k: &Q) -> Option<&<Self::Target as ValueAccess>::Array> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Tries to get an element of an object as a array

#[must_use]
fn get_object<Q>(&self, k: &Q) -> Option<&<Self::Target as ValueAccess>::Object> where
    Q: Hash + Eq + Ord + ?Sized,
    Self::Key: Borrow<Q>,
    Self::Key: Hash,
    Self::Key: Eq, [src]

Tries to get an element of an object as a object

Implementations on Foreign Types

impl<V, E> ValueAccess for Result<V, E> where
    V: ValueAccess, [src]

type Target = <V as ValueAccess>::Target

type Key = <V as ValueAccess>::Key

type Array = <V as ValueAccess>::Array

type Object = <V as ValueAccess>::Object

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

pub fn as_i64(&self) -> Option<i64>[src]

pub fn as_u64(&self) -> Option<u64>[src]

pub fn as_f64(&self) -> Option<f64>[src]

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

pub fn as_array(&self) -> Option<&<Result<V, E> as ValueAccess>::Array>[src]

pub fn as_object(&self) -> Option<&<Result<V, E> as ValueAccess>::Object>[src]

impl<'_, V> ValueAccess for &'_ V where
    V: ValueAccess, [src]

type Target = <V as ValueAccess>::Target

type Key = <V as ValueAccess>::Key

type Array = <V as ValueAccess>::Array

type Object = <V as ValueAccess>::Object

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

pub fn as_i64(&self) -> Option<i64>[src]

pub fn as_u64(&self) -> Option<u64>[src]

pub fn as_f64(&self) -> Option<f64>[src]

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

pub fn as_array(&self) -> Option<&<&'_ V as ValueAccess>::Array>[src]

pub fn as_object(&self) -> Option<&<&'_ V as ValueAccess>::Object>[src]

impl<V> ValueAccess for Option<V> where
    V: ValueAccess, [src]

type Target = <V as ValueAccess>::Target

type Key = <V as ValueAccess>::Key

type Array = <V as ValueAccess>::Array

type Object = <V as ValueAccess>::Object

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

pub fn as_i64(&self) -> Option<i64>[src]

pub fn as_u64(&self) -> Option<u64>[src]

pub fn as_f64(&self) -> Option<f64>[src]

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

pub fn as_array(&self) -> Option<&<Option<V> as ValueAccess>::Array>[src]

pub fn as_object(&self) -> Option<&<Option<V> as ValueAccess>::Object>[src]

impl ValueAccess for Value[src]

type Target = Value

type Key = String

type Array = Vec<Value, Global>

type Object = HashMap<<Value as ValueAccess>::Key, Value, BuildHasherDefault<FxHasher>>

#[must_use]
pub fn as_bool(&self) -> Option<bool>[src]

#[must_use]
pub fn as_i64(&self) -> Option<i64>[src]

#[must_use]
pub fn as_i128(&self) -> Option<i128>[src]

#[must_use]
pub fn as_u64(&self) -> Option<u64>[src]

#[must_use]
pub fn as_f64(&self) -> Option<f64>[src]

#[must_use]
pub fn cast_f64(&self) -> Option<f64>[src]

#[must_use]
pub fn as_str(&self) -> Option<&str>[src]

#[must_use]
pub fn as_array(&self) -> Option<&Vec<Value, Global>>[src]

#[must_use]
pub fn as_object(
    &self
) -> Option<&HashMap<<Value as ValueAccess>::Key, Value, BuildHasherDefault<FxHasher>>>[src]

impl<'value> ValueAccess for Value<'value>[src]

type Target = Value<'value>

type Key = Cow<'value, str>

type Array = Vec<Value<'value>, Global>

type Object = HashMap<<Value<'value> as ValueAccess>::Key, Value<'value>, BuildHasherDefault<FxHasher>>

#[must_use]
pub fn as_bool(&self) -> Option<bool>[src]

#[must_use]
pub fn as_i64(&self) -> Option<i64>[src]

#[must_use]
pub fn as_i128(&self) -> Option<i128>[src]

#[must_use]
pub fn as_u64(&self) -> Option<u64>[src]

#[must_use]
pub fn as_f64(&self) -> Option<f64>[src]

#[must_use]
pub fn cast_f64(&self) -> Option<f64>[src]

#[must_use]
pub fn as_str(&self) -> Option<&str>[src]

#[must_use]
pub fn as_array(&self) -> Option<&Vec<Value<'value>, Global>>[src]

#[must_use]
pub fn as_object(
    &self
) -> Option<&HashMap<<Value<'value> as ValueAccess>::Key, Value<'value>, BuildHasherDefault<FxHasher>>>[src]

Implementors

impl ValueAccess for StaticNode[src]

type Target = StaticNode

type Key = String

type Array = Vec<StaticNode, Global>

type Object = HashMap<String, StaticNode, BuildHasherDefault<FxHasher>>

#[must_use]
pub fn as_array(&self) -> Option<&<StaticNode as ValueAccess>::Array>[src]

#[must_use]
pub fn as_object(
    &self
) -> Option<&HashMap<<StaticNode as ValueAccess>::Key, StaticNode, BuildHasherDefault<FxHasher>>>[src]

#[must_use]
pub fn as_bool(&self) -> Option<bool>[src]

#[must_use]
pub fn as_i64(&self) -> Option<i64>[src]

#[must_use]
pub fn as_u64(&self) -> Option<u64>[src]

#[must_use]
pub fn as_f64(&self) -> Option<f64>[src]

#[must_use]
pub fn cast_f64(&self) -> Option<f64>[src]

#[must_use]
pub fn as_str(&self) -> Option<&str>[src]

impl<'value> ValueAccess for tremor_value::value::Value<'value>[src]

type Target = Self

type Key = Cow<'value, str>

type Array = Vec<Self>

type Object = HashMap<Self::Key, Self>

#[must_use]
fn as_bool(&self) -> Option<bool>[src]

#[must_use]
fn as_i64(&self) -> Option<i64>[src]

#[must_use]
fn as_i128(&self) -> Option<i128>[src]

#[must_use]
fn as_u64(&self) -> Option<u64>[src]

#[must_use]
fn as_f64(&self) -> Option<f64>[src]

#[must_use]
fn cast_f64(&self) -> Option<f64>[src]

#[must_use]
fn as_str(&self) -> Option<&str>[src]

#[must_use]
fn as_array(&self) -> Option<&Vec<Value<'value>>>[src]

#[must_use]
fn as_object(&self) -> Option<&HashMap<Self::Key, Self>>[src]