Method find

tensorflow/core/lib/gtl/flatmap.h:219–222

  size_t count(const Key& k) const { return rep_.Find(k).found ? 1 : 0; }
  iterator find(const Key& k) {
    auto r = rep_.Find(k);
    return r.found ? iterator(r.b, rep_.limit(), r.index) : end();
  }
  const_iterator find(const Key& k) const {
    auto r = rep_.Find(k);
    return r.found ? const_iterator(r.b, rep_.limit(), r.index) : end();