Scala nested implicit type parameters

Question

Can you please explain the type T in this method definition? This is from gatling. I know that colon is for context bound values. here I see them nested. What is # for?

implicit def stringToExpression[T: TypeCaster: Types[NonValidable]#DoesNotContain: ClassTag](string: String): Expression[T] = string.el

Yuval Itzchakov · Accepted Answer · 2017-08-05 10:22:59Z

1

The following method signature is translated to:

implicit def stringToExpression(string: String)(implicit t: TyperCaster[T], nv: Types[NonValidable]#DoesNotContain[T], ct: ClassTag[T]) = string.el

# in this context is a Type Projection used to refer to the inner DoesNotContain[T] class.

answered Aug 5, 2017 at 10:22

Yuval Itzchakov

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