_wrap: llgo_check (to be continued)

cpp/std/_wrap/llgo_check.cpp

@@ -0,0 +1,7 @@
+#include <stdio.h>
+#include <string>
+
+int main() {
+    printf("sizeof(std::string) = %lu\n", sizeof(std::string));
+    return 0;
+}

cpp/std/_wrap/llgo_check.go

@@ -0,0 +1,12 @@
+package main
+
+import (
+	"unsafe"
+
+	"github.com/goplus/llgo/c"
+	"github.com/goplus/llgo/cpp/std"
+)
+
+func main() {
+	c.Printf(c.Str("sizeof(std::string) = %lu\n"), unsafe.Sizeof(std.String{}))
+}

cpp/std/_wrap/string.cpp

@@ -1,4 +1,5 @@
 #include <string>
+#include <new>
 
 extern "C" {