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Note the option mapper #174

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d6y opened this issue Feb 7, 2019 · 0 comments
Open

Note the option mapper #174

d6y opened this issue Feb 7, 2019 · 0 comments
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Advanced Slick Chapter 2: Selecting Data
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Icebox

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@d6y
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d6y commented Feb 7, 2019

In 2.7.5 we discuss option-mapped types, and describe type ascription.

hvesalai noted that the following will also resolve this issue for e.g., custom ADT:

implicit def getOptionMapper2TT[B1, B2 <: Country.Value : BaseTypedType, P2 <: B2, BR] =
      OptionMapper2.plain.asInstanceOf[OptionMapper2[B1, B2, BR, B1, P2, BR]]
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Advanced Slick Chapter 2: Selecting Data
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