Struct FunctionCoder 

pub struct FunctionCoder { /* private fields */ }

Function-pointer based coder for custom serialization behavior.

Implementations

impl FunctionCoder

pub fn new( dump_fn: fn(&Value) -> Result<String, SerializationError>, load_fn: fn(&str) -> Result<Value, SerializationError>, ) -> Self

Creates a custom coder from dump_fn and load_fn.

Trait Implementations

impl AttributeCoder for FunctionCoder

fn dump(&self, value: &Value) -> Result<String, SerializationError>

Serializes a JSON value into a database column string.

fn load(&self, raw: &str) -> Result<Value, SerializationError>

Deserializes a database column string into JSON.

impl Clone for FunctionCoder

fn clone(&self) -> FunctionCoder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FunctionCoder

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

Formats the value using the given formatter.