Bug #21175: Range#max called on a beginles Integer Range with excluded end raises TypeError

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: 3.4.2
• Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN

[andrykonchin (Andrew Konchin)]

I would expect that for a Range with Integer right boundary end - 1 is returned:

(nil...10).max
# => (irb):1:in 'Range#max': cannot exclude end value with non Integer begin value (TypeError)

#max works well with non-nil begin:

(1...10).max
# => 9

Related issue - https://bugs.ruby-lang.org/issues/17034

[andrykonchin (Andrew Konchin)]

• Description updated (diff)

[andrykonchin (Andrew Konchin)]

• Description updated (diff)

[andrykonchin (Andrew Konchin)]

• Description updated (diff)

[nobu (Nobuyoshi Nakada)]

https://github.com/ruby/ruby/pull/12879

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed

Applied in changeset git|cbe3156f82ee8b68e734be58badb9b6a3adc8aa6.

---

[Bug #21174] [Bug #21175] Fix Range#max on beginless integer range