diff options
Diffstat (limited to 'enum.c')
-rw-r--r-- | enum.c | 14 |
1 files changed, 10 insertions, 4 deletions
@@ -2751,7 +2751,7 @@ chunk_i(RB_BLOCK_CALL_FUNC_ARGLIST(yielder, enumerator)) /* * call-seq: * enum.chunk { |elt| ... } -> an_enumerator - * enum.chunk(initial_state) { |elt, state| ... } -> an_enumerator + * enum.chunk(initial_state) { |elt, state| ... } -> an_enumerator (deprecated) * * Enumerates over the items, chunking them together based on the return * value of the block. @@ -2847,10 +2847,13 @@ enum_chunk(int argc, VALUE *argv, VALUE enumerable) { VALUE initial_state; VALUE enumerator; + int n; if (!rb_block_given_p()) rb_raise(rb_eArgError, "no block given"); - rb_scan_args(argc, argv, "01", &initial_state); + n = rb_scan_args(argc, argv, "01", &initial_state); + if (n != 0) + rb_warn("initial_state given for chunk. (Use Enumerator.new with lexical scope variables.)"); enumerator = rb_obj_alloc(rb_cEnumerator); rb_ivar_set(enumerator, rb_intern("chunk_enumerable"), enumerable); @@ -2926,7 +2929,7 @@ slicebefore_i(RB_BLOCK_CALL_FUNC_ARGLIST(yielder, enumerator)) * call-seq: * enum.slice_before(pattern) -> an_enumerator * enum.slice_before { |elt| bool } -> an_enumerator - * enum.slice_before(initial_state) { |elt, state| bool } -> an_enumerator + * enum.slice_before(initial_state) { |elt, state| bool } -> an_enumerator (deprecated) * * Creates an enumerator for each chunked elements. * The beginnings of chunks are defined by _pattern_ and the block. @@ -3066,7 +3069,10 @@ enum_slice_before(int argc, VALUE *argv, VALUE enumerable) if (rb_block_given_p()) { VALUE initial_state; - rb_scan_args(argc, argv, "01", &initial_state); + int n; + n = rb_scan_args(argc, argv, "01", &initial_state); + if (n != 0) + rb_warn("initial_state given for slice_before. (Use Enumerator.new with lexical scope variables.)"); enumerator = rb_obj_alloc(rb_cEnumerator); rb_ivar_set(enumerator, rb_intern("slicebefore_sep_pred"), rb_block_proc()); rb_ivar_set(enumerator, rb_intern("slicebefore_initial_state"), initial_state); |