method .query() requires the parameter @values to be a Positional

[frithnanth]

Presently when I need just one parameter I have to call method query this way:

$client.query($sql, [42]);

because the method is defined as

method query(Str $query, @values? --> Promise) 

If it were defined as

method query(Str $query, *@values --> Promise) 

I could use both a scalar or a Positional (or no parameter at all).

[Leont]

Yeah is was like that in an earlier version. The problem is that arrays are actually valid values so things got ambiguous.

[frithnanth]

Maybe I don't understand what you say, but declaring the value array as *@values makes the following examples work:
$client.query($sql, [42]);
$client.query($sql, 42);
my @param = 42; $client.query($sql, @param);
(I cloned your repository, applied my patch, and tested the behavior)