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Bug #8010

closed

Enumerator#with_index(large_number)

Added by znz (Kazuhiro NISHIYAMA) about 11 years ago. Updated about 10 years ago.

Status:
Closed
Assignee:
-
Target version:
-
ruby -v:
ruby 2.1.0dev (2013-03-04 trunk 39580) [x86_64-linux]
Backport:
[ruby-dev:47131]

Description

Enumerator#with_index の引数で大きな数を指定するとマイナスになったり例外になったりするのはバグでしょうか?

% ruby -ve 'p 3.times.with_index(1<<61).to_a'
ruby 2.1.0dev (2013-03-04 trunk 39580) [x86_64-linux]
[[0, 2305843009213693952], [1, 2305843009213693953], [2, 2305843009213693954]]
% ruby -ve 'p 3.times.with_index(1<<62).to_a'
ruby 2.1.0dev (2013-03-04 trunk 39580) [x86_64-linux]
[[0, -4611686018427387904], [1, -4611686018427387903], [2, -4611686018427387902]]
% ruby -ve 'p 3.times.with_index(1<<63).to_a'
ruby 2.1.0dev (2013-03-04 trunk 39580) [x86_64-linux]
-e:1:in with_index': bignum too big to convert into long' (RangeError)
from -e:1:in each' from -e:1:in to_a'
from -e:1:in `'

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