[threedaymonk]

> Nitpick alert: since everything is curried in Haskell, it's actually more like `foo takes an argument a and returns a function that takes one b and returns one c`.

Whilst that's true, and is important to the way in which Haskell operates, people normally talk about functions as taking multiple arguments (at least, the people at London HUG, most of whom are better Haskellers than I, seem to).

Even ghci refers to the "second argument":

    Couldn't match expected type `Int' with actual type `Char'
    In the second argument of `foo', namely 'b'
    In the expression: foo 1 'b'
    In an equation for `it': it = foo 1 'b'

[steveklabnik]

Of course, hence the 'nitpick alert' and admission that it doesn't really affect anything in the text, just a detail about how things work.

Often, conversations are not held to absolute rigor. Not every off-handed statement is absolutely consistent.