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Diffstat (limited to 'boost/spirit/home/x3/auxiliary/eps.hpp')
-rw-r--r--boost/spirit/home/x3/auxiliary/eps.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/boost/spirit/home/x3/auxiliary/eps.hpp b/boost/spirit/home/x3/auxiliary/eps.hpp
index 816eea7b0f..3d4ae9a57d 100644
--- a/boost/spirit/home/x3/auxiliary/eps.hpp
+++ b/boost/spirit/home/x3/auxiliary/eps.hpp
@@ -45,7 +45,7 @@ namespace boost { namespace spirit { namespace x3
template <typename Iterator, typename Context, typename Attribute>
bool parse(Iterator& first, Iterator const& last
- , Context const& context, unused_type, Attribute& attr) const
+ , Context const& context, unused_type, Attribute& /* attr */) const
{
x3::skip_over(first, last, context);
return f(x3::get<rule_context_tag>(context));