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  1. using System;
  2. using static System.Console;
  3.  
  4. public class Program {
  5. public static void Main() {
  6. WriteLine("HelloWorld".ToCamelCase());
  7. }
  8. }
  9.  
  10. namespace System {
  11. public static class StringExt {
  12. public static string ToCamelCase(this string text) => char.ToLower(text[0]) + text.Substring(1);
  13. }
  14. }
  15.  
  16. //https://pt.stackoverflow.com/q/41944/101
Success #stdin #stdout 0.02s 22324KB
stdin
Standard input is empty
stdout
helloWorld