Question

In python there is a pass keyword for defining an empty function, condition, loop, …
Is there something similar for Ruby?

Python Example:

def some_function():
    # do nothing
    pass

Answer 1

You always have end statements, so pass is not needed.

Ruby example:

def some_function()
    # do nothing
end

Ruby 3.0

As of Ruby 3.0, so-called "endless" method definitions are now supported — we no longer require end statements with every single method definition. This means the most concise way of expressing an empty method like the example above is now arguably something like this:

def some_function = nil

Alternatively, there has always been an uglier one-line option using the much-hated semicolon:

def some_function; end

Note that this doesn’t really change anything about the first solution except how the code can be written.