func doFuncApply(rift *lang.Rift, env collections.PersistentMap, funcApply *lang.FuncApply) interface{} {
f := dereference(rift, env, funcApply.Ref()).(func([]interface{}) interface{})
args := funcApply.Args().Values()
var argValues []interface{}
for _, arg := range args {
argValue := evaluate(rift, env, arg.(*lang.Node))
argValues = append(argValues, argValue)
}
returnValue := make(chan interface{}, 1)
go func() {
returnValue <- f(argValues)
}()
return <-returnValue
}
