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use v6;
use Test;
plan 11;
# L<S03/Item assignment precedence/bind and make readonly>
#?rakudo skip '::= NYI'
{
my $x = 5;
my $y = 3;
$x ::= $y;
is $x, 3, '::= on scalars took the value from the RHS';
#?rakudo todo 'nom regression'
dies-ok { $x = 5 }; '... and made the LHS RO';
#?rakudo todo 'nom regression'
is $x, 3, 'variable is still 3';
}
#?rakudo skip '::= NYI'
{
my Int $a = 4;
my Str $b;
dies-ok { $b ::= $a },
'Cannot ro-bind variables with incompatible type constraints';
}
#?rakudo skip '::= NYI'
{
my @x = <a b c>;
my @y = <d e>;
@x ::= @y;
is @x.join('|'), 'd|e', '::= on arrays';
dies-ok { @x := <3 4 foo> }, '... make RO';
is @x.join('|'), 'd|e', 'value unchanged';
lives-ok { @x[2] = 'k' }, 'can still assign to items of RO array';
is @x.join(''), 'd|e|k', 'assignment relly worked';
}
# RT #65900
{
throws-like q[my $a is readonly = 5;], X::Comp::Trait::Unknown,
'variable trait "is readonly" is no longer valid (1)';
throws-like q[(my $a is readonly) = 5;], X::Comp::Trait::Unknown,
'variable trait "is readonly" is no longer valid (2)';
}
# vim: ft=perl6