su.FullNames

|> Array.choose(fun fullName->

if fullName= suffixthen None

elif fullName|> Array.endsWith suffixthen Some(su.SymbolUse, fullName.[..(fullName.Length- suffix.Length)-2])

elif fullName|> Array.endsWith suffixthen Some(su.SymbolUse, fullName.[..(fullName.Length- suffix.Length)-1])

else None)

|> Array.map(fun(su,prefix)->

{ SymbolUse= su

openStatement.Modules

|> List.exists(fun m->

m.PublicNestedEntities

|> Seq.exists(fun ent-> ent.IsEffectivelySameAs symbolUse.SymbolUse.Symbol)))

letentities= Seq.toList m.NestedEntities

entities|> List.exists(fun x-> x.IsEffectivelySameAs symbolUse.SymbolUse.Symbol)

letfunctions= m.MembersFunctionsAndValues|> Seq.map(fun x-> x:> FSharpSymbol)|> Seq.toList

functions|> List.exists(fun x-> x.IsEffectivelySameAs symbolUse.SymbolUse.Symbol)

ifnot usedSomewherethenfalse