Bug #21831: Prism doesn't count underscores in the fraction part of rational float

• Status: Closed
• Assignee: prism
• Target version: -
• Backport: 3.2: DONTNEED, 3.3: DONTNEED, 3.4: DONE, 4.0: DONE

[nobu (Nobuyoshi Nakada)]

Good.

$ ruby3.3 -e 'p 0.1_2r.to_f'
0.12

$ ruby3.4 --parser=parse.y -e 'p 0.1_2r.to_f'
0.12

Wrong.

$ ruby3.4 -e 'p 0.1_2r.to_f'
0.012

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed

Applied in changeset git|8baaece6d9a64e8cc51d8d0c9839546e3d039eee.

---

[ruby/prism] Bug #21831 Fix denominator of rational float literal

Denominators can contain underscores in fraction part as well as other
numeric literals.

https://github.com/ruby/prism/commit/e247cb58c7

[k0kubun (Takashi Kokubun)]

• Backport changed from 3.2: REQUIRED, 3.3: REQUIRED, 3.4: REQUIRED, 4.0: REQUIRED to 3.2: REQUIRED, 3.3: REQUIRED, 3.4: REQUIRED, 4.0: DONE

backported it to ruby_4_0 at https://github.com/ruby/ruby/pull/15856

[Earlopain (Earlopain _)]

• Assignee set to prism

[Earlopain (Earlopain _)]

• Backport changed from 3.2: REQUIRED, 3.3: REQUIRED, 3.4: REQUIRED, 4.0: DONE to 3.2: DONTNEED, 3.3: DONTNEED, 3.4: REQUIRED, 4.0: DONE

[nagachika (Tomoyuki Chikanaga)]

• Backport changed from 3.2: DONTNEED, 3.3: DONTNEED, 3.4: REQUIRED, 4.0: DONE to 3.2: DONTNEED, 3.3: DONTNEED, 3.4: DONE, 4.0: DONE

Backported into ruby_3_4 with https://github.com/ruby/ruby/pull/16324.