func (this *stmtVisitor) graphAttrs(stmt ast.GraphAttrs) ast.Visitor {
attrs := ast.AttrList(stmt).GetMap()
for key, value := range attrs {
this.g.AddAttr(this.graphName, key, value)
}
this.currentGraphAttrs = overwrite(this.currentGraphAttrs, attrs)
return &nilVisitor{}
}
func (this *stmtVisitor) edgeAttrs(stmt ast.EdgeAttrs) ast.Visitor {
this.currentEdgeAttrs = overwrite(this.currentEdgeAttrs, ast.AttrList(stmt).GetMap())
return &nilVisitor{}
}