From: Matt S Trout <mst@shadowcat.co.uk>
Date: Thu, 13 Jul 2017 18:39:09 +0000 (+0000)
Subject: add $_ aliasing
X-Git-Tag: v1.000006~1
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=9d1b22e38282b95ee984108bbef40a6284b243a2;p=p5sagit%2FObject-Tap.git

add $_ aliasing
---

diff --git a/lib/Object/Tap.pm b/lib/Object/Tap.pm
index cecdbd2..ccffbcb 100644
--- 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(...)->$_tap(...)->run;
diff --git a/t/01basic.t b/t/01basic.t
index 58d2279..f1b138f 100644
--- a/t/01basic.t
+++ b/t/01basic.t
@@ -14,3 +14,5 @@ is($tapped, 'Foo one', 'subref tap');
 is(Foo->$_tap(bar => 'two'), 'Foo', 'invocant returned');
 
 is($tapped, 'Foo two', 'method name tap');
+
+Foo->$_tap(sub { is($_[0], $_, '$_ aliased to object') });