How to resolve the algorithm Reverse a string step by step in the F# programming language
Published on 12 May 2024 09:40 PM
How to resolve the algorithm Reverse a string step by step in the F# programming language
Table of Contents
Problem Statement
Take a string and reverse it. For example, "asdf" becomes "fdsa".
Preserve Unicode combining characters. For example, "as⃝df̅" becomes "f̅ds⃝a", not "̅fd⃝sa".
Let's start with the solution:
Step by Step solution about How to resolve the algorithm Reverse a string step by step in the F# programming language
Source code in the fsharp programming language
// Reverse a string. Nigel Galloway: August 14th., 2019
let strRev α=let N=System.Globalization.StringInfo.GetTextElementEnumerator(α)
List.unfold(fun n->if n then Some(N.GetTextElement(),N.MoveNext()) else None)(N.MoveNext())|>List.rev|>String.concat ""
printfn "%s" (strRev "as⃝df̅")
printfn "%s" (strRev "Nigel")
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