Update web-crawler-multithreaded.cpp

kamyu104 · web-flow · commit 2cf976bb350f · 2019-11-02T20:36:57.000+08:00
diff --git a/C++/web-crawler-multithreaded.cpp b/C++/web-crawler-multithreaded.cpp
@@ -15,7 +15,7 @@ class Solution {
         q_.emplace(startUrl);
         unordered_set<string> lookup = {startUrl};
         vector<thread> workers;
-        const auto& worker = [&](unordered_set<string> *lookup) {
+        const auto& worker = [this, &htmlParser](unordered_set<string> *lookup) {
             while (true) {
                 string from_url;
                 {
@@ -87,7 +87,7 @@ class Solution2 {
         unordered_set<string> lookup = {startUrl};
         vector<thread> workers;
         for (int i = 0; i < NUMBER_OF_WORKERS; ++i) {
-            workers.emplace_back(bind(&Solution::worker, this, &htmlParser, &lookup));
+            workers.emplace_back(bind(&Solution2::worker, this, &htmlParser, &lookup));
         }
         {
             unique_lock<mutex> lock{m_};

Original file line number	Diff line number	Diff line change
`@@ -15,7 +15,7 @@ class Solution {`
`15`	`15`	`q_.emplace(startUrl);`
`16`	`16`	`unordered_set<string> lookup = {startUrl};`
`17`	`17`	`vector<thread> workers;`
`18`		`- const auto& worker = [&](unordered_set<string> *lookup) {`
	`18`	`+ const auto& worker = [this, &htmlParser](unordered_set<string> *lookup) {`
`19`	`19`	`while (true) {`
`20`	`20`	`string from_url;`
`21`	`21`	`{`
`@@ -87,7 +87,7 @@ class Solution2 {`
`87`	`87`	`unordered_set<string> lookup = {startUrl};`
`88`	`88`	`vector<thread> workers;`
`89`	`89`	`for (int i = 0; i < NUMBER_OF_WORKERS; ++i) {`
`90`		`- workers.emplace_back(bind(&Solution::worker, this, &htmlParser, &lookup));`
	`90`	`+ workers.emplace_back(bind(&Solution2::worker, this, &htmlParser, &lookup));`
`91`	`91`	`}`
`92`	`92`	`{`
`93`	`93`	`unique_lock<mutex> lock{m_};`