X-Git-Url: http://git.vpit.fr/?a=blobdiff_plain;f=lib%2FSub%2FNary.pm;h=f3f87e300cc901c220c6f7cad5319ff20617c2cc;hb=9c114b45769d6880b8635884bb3734f00c2742c2;hp=2b9b6719ebbf6c79fef5f7370e0da270166a2a43;hpb=efc5762598689b6ee22dfc8ad29f4e8a22457c0a;p=perl%2Fmodules%2FSub-Nary.git

diff --git a/lib/Sub/Nary.pm b/lib/Sub/Nary.pm
index 2b9b671..f3f87e3 100644
--- a/lib/Sub/Nary.pm
+++ b/lib/Sub/Nary.pm
@@ -59,7 +59,9 @@ The probability is computed as such :
 
 =over 4
 
-=item * When branching, each branch is considered equally possible.
+=item *
+
+When branching, each branch is considered equally possible.
 
 For example, the subroutine
 
@@ -85,7 +87,9 @@ As for
 
 it is considered to return C<3> scalars with probability C<1/2>, C<2> with probability C<1/2 * 1/2 = 1/4> and C<1> (when the two tests fail, the last computed value is returned, which here is C<< $x > 0.9 >> evaluated in the scalar context of the test) with remaining probability C<1/4>.
 
-=item * The total probability law for a given returning point is the convolution product of the probabilities of its list elements.
+=item *
+
+The total probability law for a given returning point is the convolution product of the probabilities of its list elements.
 
 As such, 
 
@@ -101,11 +105,15 @@ returns C<3> or C<4> arguments with probability C<1/2> ; and
 
 never returns C<1> argument but returns C<2> with probability C<1/2 * 1/2 = 1/4>, C<3> with probability C<1/2 * 1/2 + 1/2 * 1/2 = 1/2> and C<4> with probability C<1/4> too.
 
-=item * If a core function may return different numbers of scalars, each kind is considered equally possible.
+=item *
+
+If a core function may return different numbers of scalars, each kind is considered equally possible.
 
 For example, C<stat> returns C<13> elements on success and C<0> on error. The according probability will then be C<< { 0 => 0.5, 13 => 0.5 } >>.
 
-=item * The C<list> state is absorbing in regard of all the other ones.
+=item *
+
+The C<list> state is absorbing in regard of all the other ones.
 
 This is just a pedantic way to say that "list + fixed length = list".
 That's why
@@ -230,7 +238,6 @@ sub enter {
  my $r = add $self->inspect($op->first);
  shift @{$self->{cv}};
 
- $r = { $r => 1 } unless ref $r;
  $self->{cache}->{$tag} = { %$r };
  return undef, $r;
 }
@@ -344,11 +351,9 @@ sub pp_entersub {
  my ($self, $op) = @_;
 
  $op = $op->first while $op->flags & OPf_KIDS;
- return undef, 0 if null $op;
- if (name($op) eq 'pushmark') {
-  $op = $op->sibling;
-  return undef, 0 if null $op;
- }
+ # First must be a pushmark
+ $op = $op->sibling;
+ # Next must be non null - at worse it's the rv2cv
 
  my $r;
  my $c = 1;
@@ -605,7 +610,7 @@ You can contact me by mail or on #perl @ FreeNode (vincent or Prof_Vince).
 
 =head1 BUGS
 
-Please report any bugs or feature requests to C<bug-b-nary at rt.cpan.org>, or through the web interface at L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Sub-Nary>.  I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.
+Please report any bugs or feature requests to C<bug-sub-nary at rt.cpan.org>, or through the web interface at L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Sub-Nary>.  I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.
 
 =head1 SUPPORT