Welcome to the Ammonite Repl 0.9.3
(Scala 2.12.2-bin-typelevel-4 Java 1.8.0_102)
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@ repl.compiler.settings.YliteralTypes.value = true
@ Tuple1["foo"]("foo") match {
case Tuple1(foo: Singleton) => foo
}
cmd6.sc:2: pattern type is incompatible with expected type;
found : Singleton
required: "foo"
case Tuple1(foo: Singleton) => foo
^
Compilation Failed
The error message required: "foo" looks suspicious.
The error message
required: "foo"
looks suspicious.