import gleam/dynamic/decode.{type Decoder} import gleam/json.{type Json} pub opaque type ShipComponentCondition { ShipComponentCondition(Float) } pub const min: Float = 0.0 pub const max: Float = 1.0 pub fn parse(value: Float) -> Result(ShipComponentCondition, Nil) { case value >=. min && value <=. max { True -> Ok(ShipComponentCondition(value)) False -> Error(Nil) } } pub fn decoder() -> Decoder(ShipComponentCondition) { use value <- decode.then(decode.float) case parse(value) { Ok(ship_component_condition) -> decode.success(ship_component_condition) Error(Nil) -> decode.failure(ShipComponentCondition(0.0), "ShipComponentCondition") } } pub fn to_float(ship_component_condition: ShipComponentCondition) -> Float { let ShipComponentCondition(value) = ship_component_condition value } pub fn encode(ship_component_condition: ShipComponentCondition) -> Json { json.float(to_float(ship_component_condition)) }