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-rw-r--r--enum.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/enum.c b/enum.c
index 84f6a6f..625097c 100644
--- a/enum.c
+++ b/enum.c
@@ -2995,14 +2995,14 @@ chunk_i(RB_BLOCK_CALL_FUNC_ARGLIST(yielder, enumerator))
* }
* }
*
+ * If no block is given, an enumerator to `chunk` is returned instead.
*/
static VALUE
enum_chunk(VALUE enumerable)
{
VALUE enumerator;
- if (!rb_block_given_p())
- rb_raise(rb_eArgError, "no block given");
+ RETURN_SIZED_ENUMERATOR(enumerable, 0, 0, enum_size);
enumerator = rb_obj_alloc(rb_cEnumerator);
rb_ivar_set(enumerator, rb_intern("chunk_enumerable"), enumerable);