Fix return type of forecastInFahrenheit

rjdestigter · web-flow · commit fe433ea5ba31 · 2018-01-04T09:14:39.000-07:00
forecastInFahrenheit returns a `Seq[Double]`, not a `Double`
diff --git a/_tour/higher-order-functions.md b/_tour/higher-order-functions.md
@@ -53,7 +53,7 @@ case class WeeklyWeatherForecast(temperatures: Seq[Double]) {
 
   private def convertCtoF(temp: Double) = temp * 1.8 + 32
 
-  def forecastInFahrenheit: Double = temperatures.map(convertCtoF) // <-- passing the method convertCtoF
+  def forecastInFahrenheit: Seq[Double] = temperatures.map(convertCtoF) // <-- passing the method convertCtoF
 }
 ```
 Here the method `convertCtoF` is passed to forecastInFahrenheit  This is possible because the compiler coerces `convertCtoF` to the function `x => convertCtoF(x)` (note: `x` will

Original file line number	Diff line number	Diff line change
`@@ -53,7 +53,7 @@ case class WeeklyWeatherForecast(temperatures: Seq[Double]) {`
`53`	`53`
`54`	`54`	`private def convertCtoF(temp: Double) = temp * 1.8 + 32`
`55`	`55`
`56`		`- def forecastInFahrenheit: Double = temperatures.map(convertCtoF) // <-- passing the method convertCtoF`
	`56`	`+ def forecastInFahrenheit: Seq[Double] = temperatures.map(convertCtoF) // <-- passing the method convertCtoF`
`57`	`57`	`}`
`58`	`58`	```
`59`	`59`	Here the method `convertCtoF` is passed to forecastInFahrenheit This is possible because the compiler coerces `convertCtoF` to the function `x => convertCtoF(x)` (note: `x` will