/// Returns a slice of pointers to public declarations of a namespace.
pub fn declList(comptime Namespace: type, comptime Decl: type) []const *const Decl {
    const S = struct {
        fn declNameLessThan(lhs: *const Decl, rhs: *const Decl) bool {
            return std.mem.lessThan(u8, lhs.name, rhs.name);
        }
    };
    comptime {
        const decls = std.meta.declarations(Namespace);
        var array: [decls.len]*const Decl = undefined;
        for (decls) |decl, i| {
            array[i] = &@field(Namespace, decl.name);
        }
        std.sort.sort(*const Decl, &array, S.declNameLessThan);
        return &array;
    }
}