Merge pull request Mooophy#464 from clarelsy/patch-5

pezy · pezy · commit 18f15fe542cf · 2016-05-13T15:53:30.000+08:00
Improving 14_23.cpp
diff --git a/ch14/ex14_23.cpp b/ch14/ex14_23.cpp
@@ -146,6 +146,9 @@ bool operator>=(const StrVec &lhs, const StrVec &rhs)
 
 StrVec& StrVec::operator=(std::initializer_list<std::string> il)
 {
-    *this = StrVec(il);
+    auto data = alloc_n_copy(il.begin(), il.end());
+    free();
+    elements = data.first;
+    first_free = cap = data.second;
     return *this;
 }

Original file line number	Diff line number	Diff line change
`@@ -146,6 +146,9 @@ bool operator>=(const StrVec &lhs, const StrVec &rhs)`
`146`	`146`
`147`	`147`	`StrVec& StrVec::operator=(std::initializer_list<std::string> il)`
`148`	`148`	`{`
`149`		`- *this = StrVec(il);`
	`149`	`+ auto data = alloc_n_copy(il.begin(), il.end());`
	`150`	`+ free();`
	`151`	`+ elements = data.first;`
	`152`	`+ first_free = cap = data.second;`
`150`	`153`	`return *this;`
`151`	`154`	`}`