X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2Findirect.git;a=blobdiff_plain;f=README;h=d1b1229c0221abc04437cd1c09e0c1686ce43317;hp=f362c9fdc574fa55458eb92b7028c7b0dfd358ee;hb=1efdddc6d7dcbec1d5dfb47938a91cd3483c8ff2;hpb=3073451bb3c0e963ca447441f101f00c29f50f03 diff --git a/README b/README index f362c9f..d1b1229 100644 --- a/README +++ b/README @@ -2,7 +2,7 @@ NAME indirect - Lexically warn about using the indirect object syntax. VERSION - Version 0.16 + Version 0.18 SYNOPSIS # In a script @@ -80,6 +80,18 @@ DIAGNOSTICS The default warning/exception message thrown when an indirect call on a block is found. +ENVIRONMENT + "PERL_INDIRECT_PM_DISABLE" + If this environment variable is set to true when the pragma is used for + the first time, the XS code won't be loaded and, although the 'indirect' + lexical hint will be set to true in the scope of use, the pragma itself + won't do anything. This is useful for disabling "indirect" in production + environments. + + Note that clearing this variable after "indirect" was loaded has no + effect. If you want to reenable the pragma later, you also need to + reload it by deleting the 'indirect.pm' entry from %INC. + CAVEATS The implementation was tweaked to work around several limitations of vanilla "perl" pragmas : it's thread safe, and doesn't suffer from a @@ -94,6 +106,9 @@ CAVEATS is due to a shortcoming in the way perl handles the hints hash, which is addressed in perl 5.10. + The search for indirect method calls happens before constant folding. + Hence "my $x = new Class if 0" will be caught. + DEPENDENCIES perl 5.8.