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* enum.c (enum_inject): Implement the specialied code for :+ operator

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for Fixnums.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54120 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2016-03-15 11:42:23 +00:00
parent 95d2ec93bc
commit 43e20c6a9a
2 changed files with 16 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Tue Mar 15 20:32:57 2016 Tanaka Akira <akr@fsij.org>
* enum.c (enum_inject): Implement the specialied code for :+ operator
for Fixnums.
Tue Mar 15 20:21:01 2016 Tanaka Akira <akr@fsij.org>
* enum.c (enum_inject): Implement the specialized code for self is an

11
enum.c
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@ -719,6 +719,17 @@ enum_inject(int argc, VALUE *argv, VALUE obj)
i = 0;
}
id = SYM2ID(op);
if (id == idPLUS && FIXNUM_P(v)) {
long n = FIX2LONG(v);
while (i < RARRAY_LEN(obj)) {
VALUE e = RARRAY_AREF(obj, i);
if (!FIXNUM_P(e)) break;
n += FIX2LONG(e); /* should not overflow long type */
i++;
if (!FIXABLE(n)) break;
}
v = LONG2NUM(n);
}
for (; i<RARRAY_LEN(obj); i++) {
v = rb_funcall(v, id, 1, RARRAY_AREF(obj, i));
}