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matz

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@899 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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matz 2000-08-24 06:21:43 +00:00
parent a85a9d31db
commit dea6ce41b4
13 changed files with 103 additions and 37 deletions
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14
array.c
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@ -893,8 +893,8 @@ rb_ary_reverse(ary)
VALUE *p1, *p2;
VALUE tmp;
if (RARRAY(ary)->len <= 1) return ary;
rb_ary_modify(ary);
if (RARRAY(ary)->len == 0) return ary;
p1 = RARRAY(ary)->ptr;
p2 = p1 + RARRAY(ary)->len - 1; /* points last item */
@ -909,6 +909,14 @@ rb_ary_reverse(ary)
return ary;
}
static VALUE
rb_ary_reverse_bang(ary)
VALUE ary;
{
if (RARRAY(ary)->len <= 1) return Qnil;
return rb_ary_reverse(ary);
}
static VALUE
rb_ary_reverse_m(ary)
VALUE ary;
@ -965,7 +973,7 @@ rb_ary_sort_bang(ary)
VALUE ary;
{
rb_ary_modify(ary);
if (RARRAY(ary)->len <= 1) return ary;
if (RARRAY(ary)->len <= 1) return Qnil;
FL_SET(ary, ARY_TMPLOCK); /* prohibit modification during sort */
rb_ensure(sort_internal, ary, sort_unlock, ary);
@ -1625,7 +1633,7 @@ Init_Array()
rb_define_method(rb_cArray, "clone", rb_ary_clone, 0);
rb_define_method(rb_cArray, "join", rb_ary_join_m, -1);
rb_define_method(rb_cArray, "reverse", rb_ary_reverse_m, 0);
rb_define_method(rb_cArray, "reverse!", rb_ary_reverse, 0);
rb_define_method(rb_cArray, "reverse!", rb_ary_reverse_bang, 0);
rb_define_method(rb_cArray, "sort", rb_ary_sort, 0);
rb_define_method(rb_cArray, "sort!", rb_ary_sort_bang, 0);
rb_define_method(rb_cArray, "collect", rb_ary_collect, 0);