Menu
For the times when you are reading source code without an IDE at hand.
330
The implicit system in Scala allows the compiler to adjust code using a well-defined lookup mechanism. A programmer in Scala can leave out information that the compiler will attempt to infer at compile time. The Scala compiler can infer one of two situations: A method call or constructor with a missing parameter.
Implicit parameters are the parameters that are passed to a function with implicit keyword in Scala, which means the values will be taken from the context in which they are called.
Unless the call site explicitly provides arguments for those parameters, Scala will look for implicitly available given (or implicit in Scala 2) values of the correct type. If it can find appropriate values, it automatically passes them.
Compile with the Xprint:typer scalac option.
This tells scalac to explain what it's doing.
This article explains the option and gives an example of the output (towards the bottom).
114
If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
Donate Us With
