[PATCH 3/3] ruby: make db.config return an enumerator

[Felipe Contreras]

Currently db.config requires a block to work:

  db.config { |k, v| puts '%s=%s' % [k, v] }

If you try to use it without a block you, get an error like:

  in `config': no block given (LocalJumpError)

In Ruby most methods should return an Enumerator if no block is given,
like:

  (1..10).each
  => #<Enumerator: ...>

This allows us to do:

  db.config.to_a
  db.config.to_h
  db.config.each { |k, v| ... }

And of course what is already possible:

  db.config { |k, v| ... }

Signed-off-by: Felipe Contreras <felipe.contre...@gmail.com>
---
 bindings/ruby/database.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bindings/ruby/database.c b/bindings/ruby/database.c
index 934cbfe8..9316b32d 100644
--- a/bindings/ruby/database.c
+++ b/bindings/ruby/database.c
@@ -494,6 +494,8 @@ notmuch_rb_database_config (int argc, VALUE *argv, VALUE 
self)
     notmuch_config_pairs_t *list;
     const char *cprefix;
 
+    RETURN_ENUMERATOR(self, argc, argv);
+
     Data_Get_Notmuch_Database (self, db);
 
     rb_scan_args (argc, argv, "01", &prefix);
-- 
2.32.0.rc2
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