public void ComposesExpressionsTest()
{
var composed = ExpressionCompositionExtensions.Compose <int, int, int>(x => x * 2, x => x * 3);
Assert.Equal(30, composed.Compile().Invoke(5));
Assert.Equal(6, composed.Compile().Invoke(1));
}
public ComplexValidatorDataProvider <T, TData> ForWhenAnyValue <TData>(string fieldName,
Expression <Func <T, TData> > expr)
{
this.CheckNotSealed();
var objectSelector = (Expression <Func <Validator <T>, T> >)(x => x.DataObject);
var compiledExpr = expr.Compile();
return(this.For(fieldName,
this.WhenAnyValue(ExpressionCompositionExtensions.Compose(expr, objectSelector)),
x => compiledExpr.Invoke(x.DataObject)));
}
