Of course it’s possible. Just look at the type signature of each function to know what goes in and what comes out. Not much different then looking at the type s

Of course it’s possible. Just look at the type signature of each function to know what goes in and what comes out. Not much different then looking at the type signature of an assigned variable. Debugging the point free style is different though as there are no points to put your breakpoint. Think of the identity function with a side effect as a replacement for print or breakpoints.