Add map and andThen override to RowParser #94
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Override `andThen` to return a RowParser instead of just a A => B, and add a map function that is an alias to andThen.
jadenPete
approved these changes
Jan 21, 2025
| def parse(row: SqlRow): A | ||
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| def apply(row: SqlRow) = parse(row) | ||
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| override def andThen[B](g: A => B): RowParser[B] = new RowParser[B] { | ||
| def parse(row: SqlRow): B = g(self.parse(row)) |
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Nit: self.parse can be replaced with RowParser.this.parse.
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I don't think so—the inner block we're in is also a RowParser, so I think that would just be the same as parse
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I think Scala is smart enough to realize it's different:
https://scastie.scala-lang.org/eJ4rnnv4RAC1pOtgRslsZQ
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Even if that does work, I think using the self is more clear.
coreywoodfield
approved these changes
Jan 21, 2025
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Override
andThento return a RowParser instead of just a A => B, and add a map function that is an alias to andThen.