# #37. Is 0¶

Note

Following documentation is a cooperative result combined from our Discord chat. Thanks to everyone who helped!

## Image¶

This image was produced from the thirty-seventh radio transmission using previously contributed code.

## Interpretation¶

Function if0 compares the first argument to 0 and picks the second argument if equal, else third.

## Decoded¶

if0
ap ap ap if0 0 x0 x1   =   x0
ap ap ap if0 1 x0 x1   =   x1