asNum method

num asNum(
  1. String key, {
  2. num def = 0,
})

Retrieves the numeric value associated with the key. If the key does not exist or the value cannot be parsed as a number, returns the def value.

key The key in the map to retrieve the value from. def The default value to return if the key is not found or the value cannot be parsed. Defaults to 0.

Returns: The numeric value associated with the key or def if not found or cannot be parsed.

Implementation

num asNum(String key, {num def = 0}) {
  if (keys.contains(key)) {
    return this[key].toString().asNum(def: def);
  }

  return def;
}