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use chrono::{NaiveDate, NaiveDateTime, NaiveTime}; use crate::{InputValueError, InputValueResult, Scalar, ScalarType, Value}; #[Scalar(internal)] impl ScalarType for NaiveDate { fn parse(value: Value) -> InputValueResult<Self> { match value { Value::String(s) => Ok(NaiveDate::parse_from_str(&s, "%Y-%m-%d")?), _ => Err(InputValueError::expected_type(value)), } } fn to_value(&self) -> Value { Value::String(self.format("%Y-%m-%d").to_string()) } } #[Scalar(internal)] impl ScalarType for NaiveTime { fn parse(value: Value) -> InputValueResult<Self> { match value { Value::String(s) => Ok(NaiveTime::parse_from_str(&s, "%H:%M:%S")?), _ => Err(InputValueError::expected_type(value)), } } fn to_value(&self) -> Value { Value::String(self.format("%H:%M:%S").to_string()) } } #[Scalar(internal)] impl ScalarType for NaiveDateTime { fn parse(value: Value) -> InputValueResult<Self> { match value { Value::String(s) => Ok(NaiveDateTime::parse_from_str(&s, "%Y-%m-%d %H:%M:%S")?), _ => Err(InputValueError::expected_type(value)), } } fn to_value(&self) -> Value { Value::String(self.format("%Y-%m-%d %H:%M:%S").to_string()) } }