Add helper function
Add helper function

JasonGross/coq,silene/coq,gares/coq,ejgallego/coq,gares/coq,Zimmi48/coq,coq/coq,ejgallego/coq,SkySkimmer/coq,JasonGross/coq,Zimmi48/coq,Zimmi48/coq,gares/coq,JasonGross/coq,SkySkimmer/coq,JasonGross/coq,SkySkimmer/coq,gares/coq,Zimmi48/coq,silene/coq,coq/coq,silene/coq,SkySkimmer/coq,ejgallego/coq,coq/coq,ejgallego/coq,coq/coq,gares/coq