message: Use std::iota instead of manually pushing range
diff: #include <bech32.h>
  #include <util/vector.h>
  +#include <array>
  #include <assert.h>
  +#include <numeric>
  #include <optional>
  -#include <array>
  namespace bech32
  {
  @@ -282,13 +283,6 @@ inline unsigned char LowerCase(unsigned char c)
  return (c >= 'A' && c <= 'Z') ? (c - 'A') + 'a' : c;
  }
  -void push_range(int from, int to, std::vector<int>& vec)
  -{
  - for (int i = from; i < to; i++) {
  - vec.push_back(i);
  - }
  -}
  -
  /** Return indices of invalid characters in a Bech32 string. */
  bool CheckCharacters(const std::string& str, std::vector<int>& errors) {
  bool lower = false, upper = false;
  @@ -404,7 +398,8 @@ DecodeResult Decode(const std::string& str) {
  /** Find index of an incorrect character in a Bech32 string. */
  std::string LocateErrors(const std::string& str, std::vector<int>& error_locations) {
  if (str.size() > 90) {
  - push_range(90, str.size(), error_locations);
  + error_locations.resize(str.size() - 90);
  + std::iota(error_locations.begin(), error_locations.end(), 90);
  return "Bech32 string too long";
  }
  if (!CheckCharacters(str, error_locations)){
  