1.1 --- a/lemon/bits/graph_adaptor_extender.h Sun Jan 05 22:24:56 2014 +0100
1.2 +++ b/lemon/bits/graph_adaptor_extender.h Tue Apr 14 08:39:40 2015 +0200
1.3 @@ -85,7 +85,7 @@
1.4
1.5 };
1.6
1.7 - LemonRangeWrapper1<NodeIt, Adaptor> nodes() {
1.8 + LemonRangeWrapper1<NodeIt, Adaptor> nodes() const {
1.9 return LemonRangeWrapper1<NodeIt, Adaptor>(*this);
1.10 }
1.11
1.12 @@ -111,7 +111,7 @@
1.13
1.14 };
1.15
1.16 - LemonRangeWrapper1<ArcIt, Adaptor> arcs() {
1.17 + LemonRangeWrapper1<ArcIt, Adaptor> arcs() const {
1.18 return LemonRangeWrapper1<ArcIt, Adaptor>(*this);
1.19 }
1.20
1.21 @@ -269,7 +269,7 @@
1.22
1.23 };
1.24
1.25 - LemonRangeWrapper1<NodeIt, Adaptor> nodes() {
1.26 + LemonRangeWrapper1<NodeIt, Adaptor> nodes() const {
1.27 return LemonRangeWrapper1<NodeIt, Adaptor>(*this);
1.28 }
1.29
1.30 @@ -296,7 +296,7 @@
1.31
1.32 };
1.33
1.34 - LemonRangeWrapper1<ArcIt, Adaptor> arcs() {
1.35 + LemonRangeWrapper1<ArcIt, Adaptor> arcs() const {
1.36 return LemonRangeWrapper1<ArcIt, Adaptor>(*this);
1.37 }
1.38
1.39 @@ -378,7 +378,7 @@
1.40
1.41 };
1.42
1.43 - LemonRangeWrapper1<EdgeIt, Adaptor> edges() {
1.44 + LemonRangeWrapper1<EdgeIt, Adaptor> edges() const {
1.45 return LemonRangeWrapper1<EdgeIt, Adaptor>(*this);
1.46 }
1.47