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-rw-r--r--src/string.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/string.c b/src/string.c
index 15fcc502a..8c46da2bf 100644
--- a/src/string.c
+++ b/src/string.c
@@ -2723,8 +2723,8 @@ mrb_init_string(mrb_state *mrb)
mrb_define_method(mrb, s, "capitalize!", mrb_str_capitalize_bang, MRB_ARGS_NONE()); /* 15.2.10.5.8 */
mrb_define_method(mrb, s, "chomp", mrb_str_chomp, MRB_ARGS_ANY()); /* 15.2.10.5.9 */
mrb_define_method(mrb, s, "chomp!", mrb_str_chomp_bang, MRB_ARGS_ANY()); /* 15.2.10.5.10 */
- mrb_define_method(mrb, s, "chop", mrb_str_chop, MRB_ARGS_REQ(1)); /* 15.2.10.5.11 */
- mrb_define_method(mrb, s, "chop!", mrb_str_chop_bang, MRB_ARGS_REQ(1)); /* 15.2.10.5.12 */
+ mrb_define_method(mrb, s, "chop", mrb_str_chop, MRB_ARGS_NONE()); /* 15.2.10.5.11 */
+ mrb_define_method(mrb, s, "chop!", mrb_str_chop_bang, MRB_ARGS_NONE()); /* 15.2.10.5.12 */
mrb_define_method(mrb, s, "downcase", mrb_str_downcase, MRB_ARGS_NONE()); /* 15.2.10.5.13 */
mrb_define_method(mrb, s, "downcase!", mrb_str_downcase_bang, MRB_ARGS_NONE()); /* 15.2.10.5.14 */
mrb_define_method(mrb, s, "empty?", mrb_str_empty_p, MRB_ARGS_NONE()); /* 15.2.10.5.16 */