Bug #10024: Array injection of ternary operators injects boolean rather than ternary result

• Status: Rejected
• Assignee: -
• Target version: -
• ruby -v: 2.1.2
• Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN

[[e-mail] (Blaine Kasten)]

The following code:

a = []
a << ''.blank? ? 'blank' : 'not blank'

puts a

renders [true].

I would expect it to render ['blank']

If I wrap it in parenthesis it does work.

a = []
a << ( ''.blank? ? 'blank' : 'not blank' )
puts a # ['blank']

it seems like the logic internally is perceiving this function as:

(a << ''.blank?) ? 'blank' : 'not blank'

Which seems illogical.

[pducks32 (Patrick Metcalfe)]

The #<< has a higher precedence than the ternery operator. Using #<<= seems to make it work just fine.

[nobu (Nobuyoshi Nakada)]

• Description updated (diff)
• Status changed from Open to Rejected

<< and >> are shift operators primarily, and have higher precedence.