3 ms·What's the purpose of: y if y < 20 In the match block, can't we just use x?by jhgg 13y agoWhat's the purpose of: y if y < 20 In the match block, can't we just use x?pcwalton 13y agoYes, you could just use x.masklinn 13y agoYes, you could write this as `_ if x < 20`. But not as `if x < 20`, I'm pretty sure the pattern is mandatory.