Rules / Types, classes & roles / exception

X::Syntax::Perl5Var Reference

Compilation error due to use of Perl-only default variables

What it is #

Examples, run three ways #

Every example below comes from the official documentation, together with the output that documentation asserts. Each was then executed by Rakudo and by Raku++ when this page was built. Where the three agree, one result is shown; where they do not, all three are — because which of them is wrong is exactly the information worth having.

3 no-output

class X::Syntax::Perl5Var does X::Syntax { }

Not executed: the documentation states no expected output for this example.

say $];

Not executed: the documentation states no expected output for this example.

Unsupported use of $] variable; in Raku please use $*RAKU.version or $*RAKU.compiler.version

Not executed: the documentation states no expected output for this example.