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Rebol, Smalltalk, Perl6 and Io are some other examples that have the capability to (easily & cleanly) extend the language itself. re: uplevel - Interesting Per
by draegtun 13y ago
Rebol, Smalltalk, Perl6 and Io are some other examples that have the capability to (easily & cleanly) extend the language itself.
re: uplevel - Interesting Perl5 has this feature via a CPAN module! - https://metacpan.org/pod/Sub::Uplevel https://metacpan.org/pod/Sub::Uplevel Also another variation is https://metacpan.org/pod/Scope::Upper https://metacpan.org/pod/Scope::Upper