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use smol_str::SmolStr;

use crate::{InputValueError, InputValueResult, Scalar, ScalarType, Value};

#[Scalar(
    internal,
    name = "SmolStr",
    specified_by_url = "https://docs.rs/smol_str/latest/smol_str/struct.SmolStr.html"
)]
impl ScalarType for SmolStr {
    fn parse(value: Value) -> InputValueResult<Self> {
        match value {
            Value::String(s) => Ok(SmolStr::new(s)),
            _ => Err(InputValueError::expected_type(value)),
        }
    }

    fn is_valid(value: &Value) -> bool {
        matches!(value, Value::String(_))
    }

    fn to_value(&self) -> Value {
        Value::String(self.to_string())
    }
}