Course of Raku / Essentials / Functions essentials / Creating and calling functions / Positional parameters

Quiz — Calling a function

1

Having the following function:

sub abc($a, $b, $c) {
    return $a ~ $b ~ $c;
}

How do you call it?

, ,	say abc($a␣ $b␣ $c);
=	my $s ␣ abc('a', 'b', 'c');
= abc )	my $z ␣ ␣␣␣($a, $b, $c␣;
, ,	say abc $a␣ $b␣ $c;

2

For the following function:

sub x {
    return 42;
}

Select the correct calls of it.

1	say x;
1	say(x);
1	say x();	Parentheses around the arguments of `say` are omitted.
1	say(x());
0	my $v = x ();	A space before `()` makes the `()` an argument.
1	my $w = x();
1	my $u = x;

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