COIN-OR::LEMON - Graph Library

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  • lemon/core.h

    r398 r416  
    385385      static void copy(const From& from, Digraph &to,
    386386                       NodeRefMap& nodeRefMap, ArcRefMap& arcRefMap) {
     387        to.clear();
    387388        for (typename From::NodeIt it(from); it != INVALID; ++it) {
    388389          nodeRefMap[it] = to.addNode();
     
    412413      static void copy(const From& from, Graph &to,
    413414                       NodeRefMap& nodeRefMap, EdgeRefMap& edgeRefMap) {
     415        to.clear();
    414416        for (typename From::NodeIt it(from); it != INVALID; ++it) {
    415417          nodeRefMap[it] = to.addNode();
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