Author might have Javascript background where such abominations are used because of JS' implicit type conversions.

even the solution is coded :cheffkiss:

hehehe. noice.

lmao

On-screen keyboard + mouse = 0 keystrokes wherever )

This solution has the smallest amount of keystrokes from the code you're given.

wat

Explanation of library available at: https://gist.github.com/SkyBirdSoar/2d1267be7661d1ee0803

Explanation of library available at: https://gist.github.com/SkyBirdSoar/2d1267be7661d1ee0803

You're right, Ruby doesn't have an explicit Callable. I'll change it to 'responds to call'. Thanks!

Ah. This shouldn't work. This doesn't specify a callable as an argument.

My fault though, will change.

Please explicitly state that every word must begin capitalized.