getDouble static method

double getDouble(
  1. Map? map,
  2. String key
)

Reads a key value of double type from Map.

If value/map is NULL or not double type return default value defaultDouble

Example:

getDouble(map,"price") // 27.32

Implementation

static double getDouble(Map<dynamic, dynamic>? map, String key) {
  Map<dynamic, dynamic>? data = map;
  data ??= <dynamic, dynamic>{};

  return data.containsKey(key) ? FxString.toDouble(data[key]) : defaultDouble;
}