What does single vertical bar and equals bar mean in Ruby?

Question

In ruby, what does |= operator do?

Example:

a = 23
a |= 3333 # => 3351

revolver · Accepted Answer · 2013-07-11T11:19:37.403

10

The single vertical bar is a bitwise OR operator.

a |= 3333 is equivalent to a = a | 3333

edited Jul 11 '13 at 11:19

answered Jul 11 '13 at 11:03

revolver

Arup Rakshit · Answer 2 · 2013-07-11T11:07:57.030

9

|= is called syntactic sugar.

In Ruby a = a | 3333 is the same as a |= 3333.

| means

Binary OR Operator copies a bit if it exists in either operand.Ruby Bitwise Operators

edited Jul 11 '13 at 11:07

answered Jul 11 '13 at 10:59

Arup Rakshit

2 Answers2