several improvements suggested by Dan, thanks!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43237 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/tutorial/LangImpl2.html b/docs/tutorial/LangImpl2.html
index e6c53da..1fdd442 100644
--- a/docs/tutorial/LangImpl2.html
+++ b/docs/tutorial/LangImpl2.html
@@ -65,7 +65,7 @@
 class NumberExprAST : public ExprAST {
   double Val;
 public:
-  NumberExprAST(double val) : Val(val) {}
+  explicit NumberExprAST(double val) : Val(val) {}
 };
 </pre>
 </div>
@@ -87,7 +87,7 @@
 class VariableExprAST : public ExprAST {
   std::string Name;
 public:
-  VariableExprAST(const std::string &amp;name) : Name(name) {}
+  explicit VariableExprAST(const std::string &amp;name) : Name(name) {}
 };
 
 /// BinaryExprAST - Expression class for a binary operator.
@@ -850,14 +850,14 @@
 class NumberExprAST : public ExprAST {
   double Val;
 public:
-  NumberExprAST(double val) : Val(val) {}
+  explicit NumberExprAST(double val) : Val(val) {}
 };
 
 /// VariableExprAST - Expression class for referencing a variable, like "a".
 class VariableExprAST : public ExprAST {
   std::string Name;
 public:
-  VariableExprAST(const std::string &amp;name) : Name(name) {}
+  explicit VariableExprAST(const std::string &amp;name) : Name(name) {}
 };
 
 /// BinaryExprAST - Expression class for a binary operator.