--- a/sources/mystring.cpp Fri May 15 22:46:53 2015 +0300 +++ b/sources/mystring.cpp Wed Jul 20 14:48:47 2016 +0300 @@ -70,13 +70,9 @@ { String result (m_string); - for (int i = 0; i < unwanted.size(); ++i) - { - String c = unwanted[i]; - - for (int pos = 0; (pos = result.find (c)) != -1;) - result.remove_at (pos--); - } + for (String c : unwanted) + for (int pos = 0; (pos = result.find (c)) != -1;) + result.remove_at (pos--); return result; } @@ -87,10 +83,10 @@ { String result (m_string); - for (int i = 0; i < result.length(); ++i) + for (char &ch : result) { - if (islower (result[i])) - result[i] -= 'a' - 'A'; + if (islower(ch)) + ch -= 'a' - 'A'; } return result; @@ -102,10 +98,10 @@ { String result (m_string); - for (int i = 0; i < result.length(); ++i) + for (char &ch : result) { - if (isupper (result[i])) - result[i] += 'a' - 'A'; + if (isupper(ch)) + ch += 'a' - 'A'; } return result; @@ -162,9 +158,9 @@ { int result = 0; - for (int i = 0; i < length(); ++i) + for (char ch : *this) { - if (m_string[i] == needle) + if (ch == needle) result++; } @@ -205,12 +201,10 @@ { int count = 0; - for (int i = 0; i < length(); ++i) + for (char ch : *this) { - if (not isspace (m_string[i]) or ++count < n) + if (not isspace(ch) or ++count < n) continue; - - return i; } return -1; @@ -379,12 +373,12 @@ { String result; - for (int i = 0; i < size(); ++i) + for (const String &item : container()) { if (result.is_empty() == false) result += delim; - result += container()[i]; + result += item; } return result;