Add file move to FileIO

LanguageExt.Sys/Live/FileIO.cs

@@ -25,6 +25,13 @@ public Unit Copy(string fromPath, string toPath, bool overwrite = false)
             return default;
         }
 
+        /// <inheritdoc/>
+        public Unit Move(string fromPath, string toPath)
+        {
+            File.Move(fromPath, toPath);
+            return default;
+        }
+
 #if NET5PLUS
         /// <summary>
         /// Append lines to the end of a file

LanguageExt.Sys/Sys/IO/File.cs

@@ -33,6 +33,17 @@ public static class File<RT>
         public static Eff<RT, Unit> copy(string fromPath, string toPath, bool overwrite = false) =>
             default(RT).FileEff.Map(e => e.Copy(fromPath, toPath, overwrite));
 
+        /// <summary>
+        /// Move file
+        /// </summary>
+        /// <param name="fromPath">Source path</param>
+        /// <param name="toPath">Destination path</param>
+        /// <typeparam name="RT">Runtime</typeparam>
+        /// <returns>Unit</returns>
+        [Pure, MethodImpl(AffOpt.mops)]
+        public static Eff<RT, Unit> move(string fromPath, string toPath) =>
+            default(RT).FileEff.Map(e => e.Move(fromPath, toPath));
+
         /// <summary>
         /// Append lines to the end of the file provided
         /// </summary>

LanguageExt.Sys/Test/FileIO.cs

@@ -29,6 +29,10 @@ namespace LanguageExt.Sys.Test
         public Unit Copy(string fromPath, string toPath, bool overwrite = false) =>
             fs.CopyFile(fromPath, toPath, overwrite, now);
 
+        /// <inheritdoc/>
+        public Unit Move(string fromPath, string toPath) =>
+            fs.Move(fromPath, toPath, now);
+
         /// <summary>
         /// Append lines to the end of a file
         /// </summary>

LanguageExt.Sys/Traits/FileIO.cs

@@ -16,6 +16,12 @@ public interface FileIO
         /// </summary>
         Unit Copy(string fromPath, string toPath, bool overwrite = false);
 
+        /// <summary>
+        /// Move file from one place to another
+        /// </summary>
+        /// <exception cref="IOException">The <paramref name="toPath"/> exists or <paramref name="fromPath"/> was not found.</exception>
+        Unit Move(string fromPath, string toPath);
+
         /// <summary>
         /// Append lines to the end of a file
         /// </summary>