$?PACKAGE
constant
the current package
https://docs.raku.org/language/variables#index-entry-$%3FPACKAGE
The type object for the current package (as created by C<package>,
C<module>, C<class>, C<role> or C<grammar>).

$?MODULE | ::?MODULE
constant
the current module
https://docs.raku.org/language/variables#index-entry-$?MODULE
The type object for the current module.  Available only if within
a C<module> scope.

$?CLASS | ::?CLASS
constant
the current class / grammar
https://docs.raku.org/language/variables#index-entry-$%3FCLASS
The type object for the current class.  Available only if within
a C<class> or C<grammar> scope, or

$?ROLE | ::?ROLE
constant
the current role
https://docs.raku.org/language/variables#index-entry-$%3FROLE
The type object for the current role.  Available only if within
a C<role> scope.

$?TABSTOP
constant
number of spaces in a TAB
https://docs.raku.org/language/variables#index-entry-$%3FTABSTOP
The number of spaces for a TAB character.

$?NL
constant
the newline character(s)
https://docs.raku.org/language/variables#index-entry-$%3FNL
What a newline C<\n> means.  Can be set with the C<newline>
pragma.

$?BITS
constant
default number of bits for native integers
https://docs.raku.org/language/variables#Rakudo-specific_compile-time_variables
The number of bits for native integers, usually 64.

&?ROUTINE
constant sub method
the current Routine (sub / method / submethod)
https://docs.raku.org/language/variables#&?ROUTINE
The C<Routine> object of the current C<sub>, C<method> or C<submethod>.

&?BLOCK
constant
the current block
https://docs.raku.org/language/variables#&?BLOCK
The C<Block> object associated with the current block (code between
curly braces).

$?DISTRIBUTION
constant
distribution info
https://docs.raku.org/language/variables#$?DISTRIBUTION
The (possibly auto-generated) object that performs the C<Distribution>
role, expected to contain information usually found in the META6.json
file of a distribution.  Only available if the compilation unit is
executed as a module, not as a program.  Otherwise C<Nil>.


contains all constant that are always available for usage.
