Is there a way to get a compile time constant CulutureInfo?

Asked Apr 07 '20 at 09:23

Active Apr 07 '20 at 09:29

Viewed 376 times

I have a method that is used to format some value with a given format string and an IFormatProvider. The signature is:

public static string FormatParameter(object parameterValue, string format, IFormatProvider formatProvider)

I want that the formatProvider is by default the CultureInfo.InvariantCulture, but

public static string FormatParameter(object parameterValue, string format, IFormatProvider formatProvider = CultureInfo.InvariantCulture)
                                                                                                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~

produces a compile error:

CS1736 | Default parameter value for 'formatProvider' must be a compile-time constant

Is there a way to use CultureInfo.InvariantCulture or someother standard IFormatProvider as an default parameter value? Or do I just have to check at runtime that formatProvider is null and then use CultureInfo.InvariantCulture?

edited Apr 07 '20 at 09:26

Ricardo Peres

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asked Apr 07 '20 at 09:23

Ackdari

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Make the default `null`. Then the first line of code will be `formatProvider = formatProvider ?? CultureInfo.InvariantCulture;`. – mjwills Apr 07 '20 at 09:24
@mjwills so I **have** to use runtime checks, there is noway around that? – Ackdari Apr 07 '20 at 09:27
Correct. Just like the error says. – mjwills Apr 07 '20 at 09:28

Is there a way to get a compile time constant CulutureInfo?

0 Answers0