add using function implementation to Fable.Core.Utils
add using function implementation to Fable.Core.Utils


inosik/Fable,ncave/Fable,fable-compiler/Fable,ncave/Fable,ncave/Fable,ncave/Fable,fable-compiler/Fable,fable-compiler/Fable,ncave/Fable,ncave/Fable,fable-compiler/Fable,ncave/Fable,fable-compiler/Fable,fable-compiler/Fable,inosik/Fable,fable-compiler/Fable