NOTICE: Stream was rewritten by parser!

f(x) => switch(x) {
int() => 0
,double() => 1
};


f[StringToken]([BeginToken]x[StringToken])[SimpleToken] =>[SimpleToken] switch[KeywordToken]([BeginToken]x[StringToken])[SimpleToken] {[BeginToken]
int[StringToken]([BeginToken])[SimpleToken] =>[SimpleToken] 0[StringToken]
,[SyntheticToken]double[StringToken]([BeginToken])[SimpleToken] =>[SimpleToken] 1[StringToken]
}[SimpleToken];[SimpleToken]
[SimpleToken]