Adds custom type error for non-derivable instances of HasElmSorter#15
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celsobonutti wants to merge 1 commit into
Open
Adds custom type error for non-derivable instances of HasElmSorter#15celsobonutti wants to merge 1 commit into
celsobonutti wants to merge 1 commit into
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ArthurJordao
approved these changes
Jan 19, 2024
jali-clarke
reviewed
Jan 19, 2024
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| instance | ||
| {-# OVERLAPPABLE #-} | ||
| ( TypeError | ||
| ( Text "ElmSorter only has default instances for newtypes." | ||
| :$$: Text "Perhaps you should use `mkRecordSorter` or `mkCustom` instead?" | ||
| ) | ||
| ) => | ||
| GenericElmSorter a | ||
| where | ||
| genericElmSorter = undefined | ||
|
|
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this seems reasonable as long as this is the lowest-possible priority instance (which it should be, seeing as it's as general as possible)
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