Type Conversions

008_type_conversion.cell

// ============================================================================
// 008 — Type Conversions
// ============================================================================
// Demonstrates to_string(), to_int(), to_float(), and to_json()/from_json().
//
// Run:   soma run 008_type_conversion.cell run
// Expect:
//   to_string(42) = 42 (type: String)
//   to_int("123") = 123 (type: Int)
//   to_float(7) = 7 (type: Float)
//   json: {"name":"Alice","score":95}
//   parsed name: Alice

cell Conversions {

    on run() {
        // to_string: convert any value to its string representation
        let n = 42
        let s = to_string(n)
        let s_type = type_of(s)
        print("to_string(42) = {s} (type: {s_type})")

        // to_int: parse a string as an integer
        let parsed = to_int("123")
        let p_type = type_of(parsed)
        print("to_int(\"123\") = {parsed} (type: {p_type})")

        // to_float: convert int to float
        let f = to_float(7)
        let f_type = type_of(f)
        print("to_float(7) = {f} (type: {f_type})")

        // to_json / from_json: serialize maps to JSON strings and back
        let data = map("name", "Alice", "score", 95)
        let json = to_json(data)
        print("json: {json}")

        let back = from_json(json)
        print("parsed name: {back.name}")

        return "done"
    }
}