diff options
Diffstat (limited to 'enum.c')
-rw-r--r-- | enum.c | 16 |
1 files changed, 11 insertions, 5 deletions
@@ -512,12 +512,19 @@ enum_to_a(int argc, VALUE *argv, VALUE obj) static VALUE enum_to_h_i(RB_BLOCK_CALL_FUNC_ARGLIST(i, hash)) { + VALUE key_value_pair; ENUM_WANT_SVALUE(); rb_thread_check_ints(); - i = rb_check_array_type(i); - if (!NIL_P(i) && RARRAY_LEN(i) == 2) { - rb_hash_aset(hash, RARRAY_AREF(i, 0), RARRAY_AREF(i, 1)); + key_value_pair = rb_check_array_type(i); + if (NIL_P(key_value_pair)) { + rb_raise(rb_eTypeError, "wrong element type %s (expected array)", + rb_builtin_class_name(i)); } + if (RARRAY_LEN(key_value_pair) != 2) { + rb_raise(rb_eArgError, "element has wrong array length (expected 2, was %ld)", + RARRAY_LEN(key_value_pair)); + } + rb_hash_aset(hash, RARRAY_AREF(key_value_pair, 0), RARRAY_AREF(key_value_pair, 1)); return Qnil; } @@ -526,8 +533,7 @@ enum_to_h_i(RB_BLOCK_CALL_FUNC_ARGLIST(i, hash)) * enum.to_h(*args) -> hash * * Returns the result of interpreting <i>enum</i> as a list of - * <tt>[key, value]</tt> pairs. Elements other than pairs of - * values are ignored. + * <tt>[key, value]</tt> pairs. * * %i[hello world].each_with_index.to_h * # => {:hello => 0, :world => 1} |