# Variable length lookbehind is mostly no longer considered experimental See "Extended Bracketed Character Classes" in perlrecharclass. Introduced in Perl version 5.18.0, and modified several times since, this is now considered a stable language feature and its use no longer prints a warning. Prior to this release, the regex sets feature (officially named "Extended Bracketed Character Classes") was considered experimental. # regex sets are no longer considered experimental It is a simpler alias for -0777.įor more information, see "-g" in perlrun. # -g command-line flagĪ new command-line flag, -g, is available. If you want to use it (against our advice), you'll have to enable it explicitly. The specifics of these changes can be found in feature, but the short version is: this is a bit like having more use strict turned on, disabling features that cause more trouble than they're worth.įurthermore, use v5.36 will also enable warnings as if you'd written use warnings.įinally, with this release, the experimental switch feature, present in every feature bundle since they were introduced in v5.10, has been removed from the v5.36 bundle. These will forbid, respectively: the use of "indirect" method calls (like $x = new Class ) the use of a list expression as a hash key to simulate sparse multidimensional arrays. The 5.36 bundle also disables the features indirect, and multidimensional. For more detail see "Class Instance Operator" in perlop. The operator is now considered a stable language feature. Introduced in Perl version 5.32.0, this operator has remained unchanged since then. use v5.36 ĭespite this, certain elements of signatured subroutines remain experimental see below. It is now considered a stable language feature and no longer prints a warning. Introduced in Perl version 5.20.0, and modified several times since, the subroutine signatures feature is now no longer considered experimental. The 5.36 bundle enables the signatures feature. # Core Enhancements # use v5.36Īs always, use v5.36 turns on the feature bundle for that version of Perl. This document describes differences between the 5.34.0 release and the 5.36.0 release. Perldelta - what is new for perl v5.36.0 #DESCRIPTION use VERSION (where VERSION is below v5.11) after use v5.11 is deprecated.A physically empty sort is now a compile-time error.
is now experimental within signatured subs.non-ASCII delimiters for quote-like operators (experimental).try/catch can now have a finally block (experimental).iterating over multiple values at a time (experimental).Variable length lookbehind is mostly no longer considered experimental.regex sets are no longer considered experimental.
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