removeKeysExcept method

void removeKeysExcept(
  1. List keys, [
  2. bool recursive = false
])

Remove all values except that matches in list of keys

keys a list keys to be keep on map recursive if true seach for keys in three

Implementation

void removeKeysExcept(List keys, [bool recursive = false]) =>
    _removeKeysExcept(this, keys, recursive);