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hoklavat · Feb 2, 2021 · 665676b · 665676b
1 parent 8083d56
commit 665676b
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diff --git a/52-UserDefinedLiteral.cpp b/52-UserDefinedLiteral.cpp
@@ -0,0 +1,18 @@
+//52-UserDefinedLiteral
+
+#include <iostream>
+
+class A{
+public:
+	A(int x): a{x}{}
+	int a;
+};
+
+A operator ""_S(long double x){
+	return A{x*x}; //square.
+}
+
+int main(){
+	A a{12.0_S};
+	std::cout << a.a << std::endl;
+}
diff --git a/README.md b/README.md
@@ -54,4 +54,5 @@
 - 48-RuleOfFive
 - 49-ExplicitDestructor
 - 50-PolymorphicException
-- 51-OperatorOverloading
+- 51-OperatorOverloading
+- 52-UserDefinedLiteral