fromIterable<V extends Object> static method
iterable の二つ目以降の要素は無視される.
Implementation
static Safety<Box<V>> fromIterable<V extends Object>(Iterable<V> iterable) {
final log = Log(classLocation: Box<V>, functionLocation: 'fromIterable');
final content = iterable.firstOrNull;
if (content == null) return Safety(Empty(), log);
return Safety(Full(content), log);
}