expose symbol.description so that we can print the actual symbol value

Author: karlseguin

src/binding.cpp

@@ -1514,6 +1514,9 @@ const v8::Symbol* v8__Symbol__GetToStringTag(v8::Isolate* isolate) {
 const v8::Symbol* v8__Symbol__GetUnscopables(v8::Isolate* isolate) {
     return local_to_ptr(v8::Symbol::GetUnscopables(isolate));
 }
+const v8::Value* v8__Symbol__Description(const v8::Symbol& self, v8::Isolate* isolate) {
+    return local_to_ptr(self.Description(isolate));
+}
 
 // Persistent
 

src/binding.h

@@ -828,6 +828,7 @@ const Symbol* v8__Symbol__GetSplit(Isolate* isolate);
 const Symbol* v8__Symbol__GetToPrimitive(Isolate* isolate);
 const Symbol* v8__Symbol__GetToStringTag(Isolate* isolate);
 const Symbol* v8__Symbol__GetUnscopables(Isolate* isolate);
+const Value* v8__Symbol__Description(const Symbol* self, Isolate* isolate);
 
 // Persistent
 typedef struct Persistent {

src/v8.zig

@@ -1403,6 +1403,12 @@ pub const Symbol = struct {
             .handle = c.v8__Symbol__GetUnscopables(isolate.handle).?,
         };
     }
+
+    pub fn getDescription(self: Symbol, isolate: Isolate) Value {
+        return .{
+            .handle = c.v8__Symbol__Description(self.handle, isolate.handle).?,
+        };
+    }
 };
 
 pub const Number = struct {