Feature #10332: Rational literal for mixed fractions

• Status: Open
• Assignee: -
• Target version: -

[sawa (Tsuyoshi Sawada)]

Current behavior of rational literal and String#to_r does not recognize mixed fractions. Mixed fraction is not rare, and is frequently used in places such as US length measurement.

I propose that rational literal and String#to_r should be extended to handle mixed fractions. Perhaps something like:

8 1/2r #=> (17/2)
"8 1/2".to_r #=> (17/2)

or

(8 1/2)r #=> (17/2)