float crashes with no-double-conversion

AJChapman / formatting

Format strings type-safely with combinators

BSD 3-Clause "New" or "Revised" License

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Open spencerjanssen opened 7 months ago

spencerjanssen commented 7 months ago

This program crashes when built with +no-double-conversion:

import Formatting
import Data.Text (unpack)

main = putStrLn $ unpack $ sformat float (-1.0 :: Double)

Error message:

Numeric.showInt: can't show negative numbers

Works fine with -no-double-conversion.