X-Git-Url: http://git.vpit.fr/?a=blobdiff_plain;f=README;h=2163a42b6db912538bc41006ca0540cd72bc58d9;hb=d4aad958fea3256ea8842c783566e3b89e546b6d;hp=bc02476f9e3f05f259c232398cd3f16c35f6deb9;hpb=e9cf334a2e89126f89a80ad04241b0a83ed913b2;p=perl%2Fmodules%2Fautovivification.git

diff --git a/README b/README
index bc02476..2163a42 100644
--- a/README
+++ b/README
@@ -2,7 +2,7 @@ NAME
     autovivification - Lexically disable autovivification.
 
 VERSION
-    Version 0.01
+    Version 0.03
 
 SYNOPSIS
         no autovivification;
@@ -40,8 +40,11 @@ METHODS
     *   'fetch'
 
         Turn off autovivification for rvalue dereferencing expressions, such
-        as "$value = $hashref->{key}[$idx]{$field}". "undef" is returned
-        when the expression would have autovivified.
+        as "$value = $hashref->{key}[$idx]{$field}", "keys
+        %{$hashref->{key}}" or "values %{$hashref->{key}}". When the
+        expression would have autovivified, "undef" is returned for a plain
+        fetch, while "keys" and "values" return 0 in scalar context and the
+        empty list in list context.
 
     *   'exists'
 
@@ -59,8 +62,9 @@ METHODS
     *   'store'
 
         Turn off autovivification for lvalue dereferencing expressions, such
-        as "$hashref->{key}[$idx]{$field} = $value". An exception is thrown
-        if vivification is needed to store the value, which means that
+        as "$hashref->{key}[$idx]{$field} = $value" or "for
+        ($hashref->{key}[$idx]{$field}) { ... }". An exception is thrown if
+        vivification is needed to store the value, which means that
         effectively you can only assign to levels that are already defined
         (in the example, this would require "$hashref->{key}[$idx]" to
         already be a hash reference).