Documentation work

2017-07-20 08:12:19 -07:00
parent eaa820df30
commit 669b1feae1
7 changed files with 208 additions and 139 deletions
@@ -196,6 +196,16 @@ public:
        return list_.cend();
    }

+    /// Return `true` if the specified field exists.
+    bool
+    exists(field f) const
+    {
+        // VFALCO Should we throw here?
+        if(f == field::unknown)
+            return false;
+        return set_.find(to_string(f), less{}) != set_.end();
+    }
+
    /// Return `true` if the specified field exists.
    bool
    exists(string_view name) const