Hello, I need help with a sentence. Context is that the guy just passed out and cant perfectly remeber what happened so he is having a girl tell him what she saw.
白粉の話を聞く限りでは、意識が飛んでいようといまいとあまり差はないらしかった。
The part that is really giving me trouble is this one here: いようといまいと, no idea what that is.