public static IComparisonDeclaration <T> Comparison <T>(this IParametersDeclaration <T, T> parameters)
{
return(new ComparisonDeclarationImpl <T>(parameters));
}
internal ComparisonDeclarationImpl(IParametersDeclaration <T, T> parameters)
: base(parameters.Parameters)
{
}
internal EqualityDeclarationImpl(IParametersDeclaration <T, T> parameters)
: base(parameters.Parameters)
{
}
internal HashingDeclarationImpl(IParametersDeclaration <T> parameters, Expression <Func <int, int, int> > composer, Expression <Func <int> > seed)
: base(parameters.Parameters)
{
_hashComposer = composer;
_hashSeed = seed;
}
public static IEqualityDeclaration <T> Equality <T>(this IParametersDeclaration <T, T> parameters)
{
return(new EqualityDeclarationImpl <T>(parameters));
}
public static IHashingDeclaration <T> Hashing <T>(this IParametersDeclaration <T> parameters, Expression <Func <int, int, int> > composer, Expression <Func <int> > seed)
{
return(new HashingDeclarationImpl <T>(parameters, composer, seed));
}
public static IHashingDeclaration <T> Hashing <T>(this IParametersDeclaration <T> typeDef)
{
return(typeDef.Hashing((a, c) => unchecked (a * 31 + c), () => 23));
}
