add $_ aliasing

[p5sagit/Object-Tap.git] / lib / Object / Tap.pm

diff --git a/lib/Object/Tap.pm b/lib/Object/Tap.pm
index cecdbd2..ccffbcb 100644 (file)
--- a/lib/Object/Tap.pm
+++ b/lib/Object/Tap.pm
@@ -8,7 +8,11 @@ our $VERSION = '1.000006'; # TRIAL
 
 our @EXPORT = qw($_tap);
 
-our $_tap = sub { my ($obj, $call, @args) = @_; $obj->$call(@args); $obj };
+our $_tap = sub {
+  my ($obj, $call, @args) = @_;
+  $obj->$call(@args) for $obj;
+  $obj
+};
 
 1;
 
@@ -30,6 +34,12 @@ you can instead write -
   
   my $thing = My::Class->new(...)->$_tap(sub { $_[0]->set_foo(1) });
 
+We also alias $_ to $_[0] within the subroutine so:
+
+  my $thing = My::Class->new(...)->$_tap(sub { $_->set_foo(1) });
+
+also works.
+
 To realise why this might be useful, consider instead -
 
   My::App->new(...)->$_tap(...)->run;