Coin constructor

Coin({
  1. String id = "bitcoin",
  2. String symbol = "btc",
  3. String name = "bitcoin",
})

Implementation

Coin(
    {String id = "bitcoin", String symbol = "btc", String name = "bitcoin"}) {
  json = {"id": id, "symbol": symbol, "name": name};
  this.id = id;
  this.symbol = symbol;
  this.name = name;
}