> Date: Wed, 20 Jan 2010 23:23:11 +0100 > From: [email protected] > To: [email protected] > Subject: Re: [Vala] Proper Syntax for Array of Nullable Strings > > Jiří Zárevúcky wrote: > > tecywiz121 píše v St 20. 01. 2010 v 16:49 -0500: > >> I am just wondering if it is possible to have an array of nullable > >> strings, and if so, what is the proper syntax? > >> > >> Sam > >> > > > > I believe array of class type can always contain nulls. Or am I > > mistaken? > > Only without --enable-experimental-non-null. > > However, this one fails with --enable-experimental-non-null: > > ---------------------------------------------------------------------- > void main () { > string?[] a = new string?[10]; > } > ---------------------------------------------------------------------- > demo.vala:2.26-2.26: error: syntax error, expected ( or [ > string?[] a = new string?[10]; > ^ > Compilation failed: 1 error(s), 0 warning(s) > ---------------------------------------------------------------------- > > > And this one as well: > > ---------------------------------------------------------------------- > void main () { > string?[] a = new string[10]; > } > ---------------------------------------------------------------------- > demo.vala:2.12-2.29: error: Assignment: Cannot convert from `string[]' > to `string?[]' > string?[] a = new string[10]; > ^^^^^^^^^^^^^^^^^^ > Compilation failed: 1 error(s), 0 warning(s) > ---------------------------------------------------------------------- > > I think the first case should succeed. The latter case seems to fail > rightly. > > > Best regards, > > Frederik > Does this qualify as a bug? Because as it stands now, I cannot define an array of nullable strings (or floats or anything else for that matter) another problem I am having a hard time wrapping my head around is whether or not string?[] a = new string?[10]; would define an nullable array of strings, or an array of nullable strings. Is it possible to define a nullable array of nullable strings? How? Sam
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