Derives Cogen[T]
instances for T
a singleton type, like
Witness.
"str"
.T
or Witness.
true
.T
for example.
Derives Cogen[T]
instances for T
a singleton type, like
Witness.
"str"
.T
or Witness.
true
.T
for example.
The generated Cogen[T]
behaves like Cogen[Unit]
, as like
Unit
, singleton types only have one instance.