Add unwind()

[perl/modules/Scope-Upper.git] / lib / Scope / Upper.pm

diff --git a/lib/Scope/Upper.pm b/lib/Scope/Upper.pm
index ca8ecc98638cb6f05c2375d622c25271410d39be..259ee7f839890adbb59f4c8184e2bd2b000470f4 100644 (file)
--- a/lib/Scope/Upper.pm
+++ b/lib/Scope/Upper.pm
@@ -136,6 +136,11 @@ C<$key> is ignored.
 
 =back
 
+=head2 C<unwind @values, $level>
+
+Returns C<@values> I<from> the context indicated by C<$level>, i.e. from the subroutine, eval or format just above C<$level>.
+The upper level isn't coerced onto C<@values>, which is hence always evaluated in list context.
+
 =head1 WORDS
 
 =head2 C<TOP>
@@ -166,7 +171,7 @@ If C<$from> is omitted in any of those functions, the current level is used as t
 
 =head1 EXPORT
 
-The functions L</reap>, L</localize>, L</localize_elem> and L</localize_delete> are only exported on request, either individually or by the tags C<':funcs'> and C<':all'>.
+The functions L</reap>, L</localize>, L</localize_elem>, L</localize_delete> and L</unwind> are only exported on request, either individually or by the tags C<':funcs'> and C<':all'>.
 
 Same goes for the words L</TOP>, L</HERE>, L</UP>, L</DOWN>, L</SUB> and L</EVAL> that are only exported on request, individually or by the tags C<':words'> and C<':all'>.
 
@@ -176,7 +181,7 @@ use base qw/Exporter/;
 
 our @EXPORT      = ();
 our %EXPORT_TAGS = (
- funcs => [ qw/reap localize localize_elem localize_delete/ ],
+ funcs => [ qw/reap localize localize_elem localize_delete unwind/ ],
  words => [ qw/TOP HERE UP DOWN SUB EVAL/ ],
 );
 our @EXPORT_OK   = map { @$_ } values %EXPORT_TAGS;