Bug #9762: keywork argument do not work in some situation

• Status: Rejected
• Assignee: -
• Target version: -
• ruby -v: ruby 2.1.1p76 (2014-02-24 revision 45161) [x86_64-linux]
• Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN

[felix125 (felix chang)]

I dont know this is an issue or not. Here is my code.

`
class String
def last(size)
self[-size..-1]
end

The behavior of slideing is similar to Array#each_cons

It's very use for most biological sequence analysis,

for example, calculating the k-mer frequency

For example:

'abcdefghij'.sliding(2).to_a

=> ['ab', 'bc', 'cd', 'de', 'ef', 'fg', 'gh', 'hi', 'ij']

def sliding(window, circle: false)
return to_enum(method, window, circle) unless block_given?
seq = circle ? self + last(window) : self
(seq.size - window + 1).times do |i|
yield seq.slice(i, window)
end
end
end
`

It will not work, but if i change the code to the following:

def sliding(window, circle = false)

And it works!

[phluid61 (Matthew Kerwin)]

felix chang wrote:

I dont know this is an issue or not. Here is my code.

[...]

It will not work, but if i change the code to the following:

def sliding(window, circle = false)

And it works!

How will it "not work"? Are you calling it properly?

I'd change the first line of #sliding to:

return to_enum(__method__, window, {circle: circle}) unless block_given?

and fix all the other calls, from e.g. sliding 5, true to sliding 5, circle: true

Does that solve your issue?

[felix125 (felix chang)]

Yes!

Thank you.

[Eregon (Benoit Daloze)]

• Status changed from Open to Closed

[usa (Usaku NAKAMURA)]

• Status changed from Closed to Rejected