private static OperationalEnumerable<short, int> AsOperationalInternal(
IEnumerable<short> source,
Func<IEnumerable<short>, IEnumerable<short>, Func<short, short, int>, IEnumerable<int>> binaryOperation = null,
Func<IEnumerable<int>, IEnumerable<int>, Func<int, int, int>, IEnumerable<int>> resultBinaryOperation = null,
Func<IEnumerable<short>, IEnumerable<int>, Func<short, int, int>, IEnumerable<int>> shiftOperation = null,
Func<IEnumerable<short>, IEnumerable<short>, Func<short, short, bool>, IEnumerable<bool>> comparisonOperation = null,
IComparer<short> comparer = null,
IEqualityComparer<short> equalityComparer = null)
{
Contract.Requires(source != null);
Contract.Ensures(!object.Equals(Contract.Result<OperationalEnumerable<short, int>>(), null));
return source.AsOperational(
result => AsOperationalInternal(result, resultBinaryOperation),
binaryOperation: binaryOperation,
comparisonOperation: comparisonOperation,
shiftOperation: shiftOperation,
add: (first, second) => first + second,
subtract: (first, second) => first - second,
multiply: (first, second) => first * second,
divide: (first, second) => first / second,
remainder: (first, second) => first % second,
leftShift: (first, second) => first << second,
rightShift: (first, second) => first >> second,
positive: value => +value,
negative: value => -value,
complement: value => ~value,
not: null,
equals: (first, second) => equalityComparer == null ? first == second : equalityComparer.Equals(first, second),
notEquals: (first, second) => equalityComparer == null ? first != second : !equalityComparer.Equals(first, second),
lessThan: (first, second) => comparer == null ? first < second : comparer.Compare(first, second) < 0,
lessThanOrEqual: (first, second) => comparer == null ? first <= second : comparer.Compare(first, second) <= 0,
greaterThan: (first, second) => comparer == null ? first > second : comparer.Compare(first, second) > 0,
greaterThanOrEqual: (first, second) => comparer == null ? first >= second : comparer.Compare(first, second) >= 0,
and: (first, second) => first & second,
or: (first, second) => first | second,
xor: (first, second) => first ^ second);
}
private static OperationalEnumerable<string> AsOperationalInternal(
IEnumerable<string> source,
Func<IEnumerable<string>, IEnumerable<string>, Func<string, string, string>, IEnumerable<string>> binaryOperation = null,
Func<IEnumerable<string>, IEnumerable<string>, Func<string, string, bool>, IEnumerable<bool>> comparisonOperation = null,
IComparer<string> comparer = null,
IEqualityComparer<string> equalityComparer = null)
{
Contract.Requires(source != null);
Contract.Ensures(!object.Equals(Contract.Result<OperationalEnumerable<string>>(), null));
return source.AsOperational(
binaryOperation: binaryOperation,
comparisonOperation: comparisonOperation,
add: (first, second) => first + second,
subtract: null,
multiply: null,
divide: null,
remainder: null,
leftShift: null,
rightShift: null,
positive: null,
negative: null,
complement: null,
not: null,
equals: (first, second) => equalityComparer == null ? first == second : equalityComparer.Equals(first, second),
notEquals: (first, second) => equalityComparer == null ? first != second : !equalityComparer.Equals(first, second),
lessThan: (first, second) => (comparer ?? StringComparer.Ordinal).Compare(first, second) < 0,
lessThanOrEqual: (first, second) => (comparer ?? StringComparer.Ordinal).Compare(first, second) <= 0,
greaterThan: (first, second) => (comparer ?? StringComparer.Ordinal).Compare(first, second) > 0,
greaterThanOrEqual: (first, second) => (comparer ?? StringComparer.Ordinal).Compare(first, second) >= 0,
and: null,
or: null,
xor: null);
}