Enum VariantSchemaNode 

enum VariantSchemaNode {
    Leaf(ShreddingField),
    Struct(BTreeMap<String, VariantSchemaNode>),
    List(Box<VariantSchemaNode>),
}

Internal tree node structure for building variant schemas.

Variants

Leaf(ShreddingField)

A leaf node with a primitive/scalar type (and nullability)

Struct(BTreeMap<String, VariantSchemaNode>)

An inner struct node with nested fields

List(Box<VariantSchemaNode>)

An inner list node with a shared element schema

Implementations

impl VariantSchemaNode

fn insert_path( &mut self, path: &VariantPath<'_>, field: ShreddingField, ) -> Result<()>

Insert a path into this node with the given data type.

fn insert_path_elements( &mut self, segments: &[VariantPathElement<'_>], field: ShreddingField, ) -> Result<()>

fn to_shredding_type(&self) -> Option<DataType>

Convert this node to a shredding type.

Returns the [DataType] for passing to shred_variant.

fn to_shredding_field(&self, name: &str) -> Option<FieldRef>

Trait Implementations

impl Clone for VariantSchemaNode

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for VariantSchemaNode

fn default() -> Self

Returns the “default value” for a type.