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Enable optional record field underivable error

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Ayaz Hafiz 2022-08-09 08:48:21 -07:00
parent 55fe1df995
commit e77e53f37b
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2 changed files with 17 additions and 14 deletions
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4
crates/reporting/src/error/type.rs
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@ -425,7 +425,9 @@ fn underivable_hint<'b>(
alloc.reflow("Roc cannot derive decoding for a record with an optional field, which in this case is "),
alloc.record_field(field),
alloc.reflow(". Optional record fields are polymorphic over records that may or may not contain them at compile time, "),
alloc.reflow("but are not a concept that extends to runtime! That means Roc cannot derive a decoder for a record with an optional value "),
alloc.reflow("but are not a concept that extends to runtime!"),
alloc.hardline(),
alloc.reflow("That means Roc cannot derive a decoder for a record with an optional value "),
alloc.reflow("by way of an optional record field. If you want to model the idea that a field may or may not be present at runtime, "),
alloc.reflow("consider using a "),
alloc.symbol_unqualified(Symbol::RESULT_RESULT),