Infix Problem

code:elm

True == True == True

-- INFIX PROBLEM ---------------------------------------------------------- REPL

You cannot mix (==) and (==) without parentheses.

3| True == True == True

^^^^^^^^^^^^^^^^^^^^

I do not know how to group these expressions. Add parentheses for me!

括弧を付けないと怒られる。結合が定義されていないっぽい https://github.com/elm/core/blob/1.0.5/src/Basics.elm#L75

code:elm

infix non 4 (==) = eq

infix non 4 (/=) = neq

infix non 4 (<) = lt

infix non 4 (>) = gt

infix non 4 (<=) = le

infix non 4 (>=) = ge