Implicit parameters

Substituting variables into an implicit argument

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Let's assume that there is a function in the scope that accepts an implicit header for the request:

def printRequest(request: String)(implicit header: String): Unit = println(s"$request,$header")

What will happen if we try to compile the following code?

val header: String = "Content-Type: text/html"
printRequest("data:42")(header)

Select one option from the list

An error will occur: implicit is not found

The code will compile

An error will occur: ambiguous implicit values

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