There is not need to clear a string directly after its creation.

orbitcowboy · orbitcowboy · commit 8a45c3192b6d · 2016-11-30T10:39:14.000+01:00
diff --git a/lib/path.cpp b/lib/path.cpp
@@ -73,7 +73,7 @@ std::string Path::simplifyPath(std::string originalPath)
         originalPath = originalPath.erase(0, toErase);
     }
 
-    std::string subPath = "";
+    std::string subPath;
     std::vector<std::string> pathParts;
     for (std::size_t i = 0; i < originalPath.size(); ++i) {
         if (originalPath[i] == '/' || originalPath[i] == '\\') {
diff --git a/test/testsuite.cpp b/test/testsuite.cpp
@@ -278,7 +278,7 @@ void TestFixture::processOptions(const options& args)
 std::size_t TestFixture::runTests(const options& args)
 {
     std::string classname(args.which_test());
-    std::string testname("");
+    std::string testname;
     if (classname.find("::") != std::string::npos) {
         testname = classname.substr(classname.find("::") + 2);
         classname.erase(classname.find("::"));
diff --git a/test/testtokenize.cpp b/test/testtokenize.cpp
@@ -8095,7 +8095,7 @@ class TestTokenizer : public TestFixture {
         // Preprocess file..
         Preprocessor preprocessor(settings0);
         std::list<std::string> configurations;
-        std::string filedata = "";
+        std::string filedata;
         std::istringstream fin(raw_code);
         preprocessor.preprocess(fin, filedata, configurations, emptyString, settings0.includePaths);
         const std::string code = preprocessor.getcode(filedata, emptyString, emptyString);

Original file line number	Diff line number	Diff line change
`@@ -73,7 +73,7 @@ std::string Path::simplifyPath(std::string originalPath)`
`73`	`73`	`originalPath = originalPath.erase(0, toErase);`
`74`	`74`	`}`
`75`	`75`
`76`		`- std::string subPath = "";`
	`76`	`+ std::string subPath;`
`77`	`77`	`std::vector<std::string> pathParts;`
`78`	`78`	`for (std::size_t i = 0; i < originalPath.size(); ++i) {`
`79`	`79`	`if (originalPath[i] == '/' \|\| originalPath[i] == '\\') {`
Original file line number	Diff line number	Diff line change
`@@ -278,7 +278,7 @@ void TestFixture::processOptions(const options& args)`
`278`	`278`	`std::size_t TestFixture::runTests(const options& args)`
`279`	`279`	`{`
`280`	`280`	`std::string classname(args.which_test());`
`281`		`- std::string testname("");`
	`281`	`+ std::string testname;`
`282`	`282`	`if (classname.find("::") != std::string::npos) {`
`283`	`283`	`testname = classname.substr(classname.find("::") + 2);`
`284`	`284`	`classname.erase(classname.find("::"));`