[Haskell-cafe] How do you turn off GHC flags?

[Ben Doyle]

Proper grammar strikes again!

A related useful thing that I learned of recently is :load! (and :reload!)
It’s equivalent to setting defer-type-errors, loading the module, and then
unsetting. :r! and :l! don’t work, alas.


On Tue, Feb 13, 2018 at 11:23 AM Christopher Done <chrisdone at gmail.com>
wrote:

> My bad, it’s defer-type-errors, not deferred-type-errors. I was confused
> due to the warning which is called -Wdeferred-type-errors:
>
> TEMP.hs:6:7: warning: [-Wdeferred-type-errors]
>     • Couldn't match expected type ‘Int’ with actual type ‘Char’
>
> So there’s a mismatch between these two flags.
>
> Disregard this thread.
> ​
>
> On 13 February 2018 at 16:18, Christopher Done <chrisdone at gmail.com>
> wrote:
>
>> If I use :unset -fdeferred-type-errors it says Some flags have not been
>> recognized: -fno-deferred-type-errors, so perhaps there is no
>> corresponding flag to turn this feature off in GHC/GHCi’s regular interface?
>> ​
>>
>> On 13 February 2018 at 16:15, Christopher Done <chrisdone at gmail.com>
>> wrote:
>>
>>> If I run :set -fdeferred-type-errors in GHCi, how do I turn it off
>>> again?
>>>
>>> I tried -f-deferred-type-errors and -fno-deferred-type-errors and
>>> neither are recognized.
>>>
>>> Cheers
>>> ​
>>>
>>
>>
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