Enum Selector 

pub enum Selector {
    All,
    Fields {
        fields: Vec<String>,
    },
    RecursiveDepth {
        max_depth: usize,
    },
    RecursiveAll,
    Index {
        index: usize,
    },
    Sequence {
        selectors: Vec<Selector>,
    },
    Matcher,
}

IPLD Selector

Selectors specify which parts of a DAG to traverse

Variants

All

Match everything

Fields

Match specific fields by name

Fields

fields: Vec<String>

RecursiveDepth

Recursively traverse to a depth limit

Fields

max_depth: usize

RecursiveAll

Recursively traverse all links

Index

Match based on index

Fields

index: usize

Sequence

Sequence of selectors

Fields

selectors: Vec<Selector>

Matcher

Match the current node

Implementations

impl Selector

pub fn from_json(json: &str) -> Result<Self>

Parse a selector from JSON

pub fn validate(&self) -> Result<()>

Validate the selector

pub fn matches_all(&self) -> bool

Check if this selector matches all

Trait Implementations

impl Clone for Selector

fn clone(&self) -> Selector

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Selector

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

Formats the value using the given formatter.

impl Default for Selector

fn default() -> Selector

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Selector

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Selector

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.