static void ExpressionsStreamDemo() => InputNumberSequences .Select(new ExpressionStream().DistinctFor) .SelectMany(expressions => Report(expressions, "No expressions found.")) .WriteLinesTo(Console.Out);
static void CountExpressions() =>
InputNumberSequences
.Select(inputs => new ExpressionStream().DistinctFor(inputs).Count())
.Select(count => $"There are {count} distinct expressions.")
.WriteLinesTo(Console.Out);
static void PartitioningDemo() =>
InputNumberSequences
.SelectMany(numbers => Partitionings.Of(numbers).All())
.Select(partitioning => partitioning.Select(partition => string.Join(" ", partition.ToArray())))
.Select(partitions => string.Join(" | ", partitions))
.WriteLinesTo(Console.Out);
static void GenerateProblems() => InputNumberSequences .SelectMany(UniqueExpressionsReport) .WriteLinesTo(Console.Out);