private static InvocationExpressionSyntax WithExcept(ExpressionSyntax expr, string collectionName)
{
return(expr
.AccessTo("Except")
.ToInvocation(collectionName.ToIdentifierName()));
}
private static InvocationExpressionSyntax Sum(ExpressionSyntax expr)
{
return(expr.AccessTo("Sum").ToInvocation());
}
public static ExpressionSyntax AccessTo(this ExpressionSyntax to, string what)
{
return(to.AccessTo(what.ToIdentifierName()));
}
private static InvocationExpressionSyntax GetCast(TypeSyntax type, ExpressionSyntax expression)
{
return(expression
.AccessTo("Cast".MakeGeneric(type))
.ToInvocation());
}