[Haskell-cafe] [] == []

[Taylor Hedberg]

On Mon, Mar 9, 2015 at 8:20 PM, Rustom Mody <rustompmody at gmail.com> wrote:
>
> Under -fwarn-type-defaults:
> says
>
> *Have the compiler warn/inform you where in your source the Haskell
> defaulting mechanism for numeric types kicks in.*
>
> Wheres the numeric here?
>

In GHCi, the type defaulting mechanism is extended beyond numerics. See
https://downloads.haskell.org/~ghc/7.8.2/docs/html/users_guide/interactive-evaluation.html#extended-default-rules
.

In this case, the list is defaulting to type [()].
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