Add overload for JoinToString for IEnumerable<string>

Author: tautropfli

Funcky/Extensions/EnumerableExtensions/JoinToString.cs

@@ -27,4 +27,14 @@ public static string JoinToString<TSource>(this IEnumerable<TSource> source, cha
     [Pure]
     public static string JoinToString<TSource>(this IEnumerable<TSource> source, string separator)
         => string.Join(separator, source);
+
+    /// <summary>
+    /// Concatenates the elements of the given sequence, using the specified separator between each element or member.
+    /// </summary>
+    /// <param name="source">A sequence of items to be joined in a string.</param>
+    /// <param name="separator">A string to separate the individual elements.</param>
+    /// <returns>Joined string with separators between the elements.</returns>
+    [Pure]
+    public static string JoinToString(this IEnumerable<string?> source, string separator)
+        => string.Join(separator, source);
 }

Funcky/PublicAPI.Unshipped.txt

@@ -4,6 +4,7 @@ Funcky.RequireClass<T>.RequireClass() -> void
 Funcky.RequireStruct<T>
 Funcky.RequireStruct<T>.RequireStruct() -> void
 static Funcky.Extensions.EnumerableExtensions.ElementAtOrNone<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, System.Index index) -> Funcky.Monads.Option<TSource>
+static Funcky.Extensions.EnumerableExtensions.JoinToString(this System.Collections.Generic.IEnumerable<string?>! source, string! separator) -> string!
 static Funcky.Extensions.ParseExtensions.ParseBigIntegerOrNone(this string? candidate, System.IFormatProvider? provider) -> Funcky.Monads.Option<System.Numerics.BigInteger>
 static Funcky.Extensions.ParseExtensions.ParseBigIntegerOrNone(this System.ReadOnlySpan<char> candidate, System.IFormatProvider? provider) -> Funcky.Monads.Option<System.Numerics.BigInteger>
 static Funcky.Extensions.ParseExtensions.ParseByteOrNone(this string? candidate, System.IFormatProvider? provider) -> Funcky.Monads.Option<byte>