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use crate::{InputValueError, InputValueResult, Result, ScalarType, Value}; use async_graphql_derive::Scalar; use uuid::Uuid; #[Scalar(internal)] impl ScalarType for Uuid { fn type_name() -> &'static str { "UUID" } fn parse(value: Value) -> InputValueResult<Self> { match value { Value::String(s) => Ok(Uuid::parse_str(&s)?), _ => Err(InputValueError::ExpectedType(value)), } } fn to_json(&self) -> Result<serde_json::Value> { Ok(self.to_string().into()) } }