stringinterpolation_macro-neg.scala:13: error: there are no parts
  new StringContext().f()
  ^
stringinterpolation_macro-neg.scala:14: error: too few arguments for interpolated string
  new StringContext("", " is ", "%2d years old").f(s)
                                                   ^
stringinterpolation_macro-neg.scala:15: error: too many arguments for interpolated string
  new StringContext("", " is ", "%2d years old").f(s, d, d)
                                                         ^
stringinterpolation_macro-neg.scala:16: error: too few arguments for interpolated string
  new StringContext("", "").f()
                             ^
stringinterpolation_macro-neg.scala:19: error: type mismatch;
 found   : String
 required: Boolean
  f"$s%b"
     ^
stringinterpolation_macro-neg.scala:20: error: type mismatch;
 found   : String
 required: Char
  f"$s%c"
     ^
stringinterpolation_macro-neg.scala:21: error: type mismatch;
 found   : Double
 required: Char
  f"$f%c"
     ^
stringinterpolation_macro-neg.scala:22: error: type mismatch;
 found   : String
 required: Int
  f"$s%x"
     ^
stringinterpolation_macro-neg.scala:23: error: type mismatch;
 found   : Boolean
 required: Int
  f"$b%d"
     ^
stringinterpolation_macro-neg.scala:24: error: type mismatch;
 found   : String
 required: Int
  f"$s%d"
     ^
stringinterpolation_macro-neg.scala:25: error: type mismatch;
 found   : Double
 required: Int
  f"$f%o"
     ^
stringinterpolation_macro-neg.scala:26: error: type mismatch;
 found   : String
 required: Double
  f"$s%e"
     ^
stringinterpolation_macro-neg.scala:27: error: type mismatch;
 found   : Boolean
 required: Double
  f"$b%f"
     ^
stringinterpolation_macro-neg.scala:32: error: type mismatch;
 found   : String
 required: Int
Note that implicit conversions are not applicable because they are ambiguous:
 both value strToInt2 of type String => Int
 and value strToInt1 of type String => Int
 are possible conversion functions from String to Int
    f"$s%d"
       ^
stringinterpolation_macro-neg.scala:35: error: illegal conversion character 'i'
  f"$s%i"
       ^
stringinterpolation_macro-neg.scala:38: error: Illegal flag '+'
  f"$s%+ 0,(s"
       ^
stringinterpolation_macro-neg.scala:38: error: Illegal flag ' '
  f"$s%+ 0,(s"
        ^
stringinterpolation_macro-neg.scala:38: error: Illegal flag '0'
  f"$s%+ 0,(s"
         ^
stringinterpolation_macro-neg.scala:38: error: Illegal flag ','
  f"$s%+ 0,(s"
          ^
stringinterpolation_macro-neg.scala:38: error: Illegal flag '('
  f"$s%+ 0,(s"
           ^
stringinterpolation_macro-neg.scala:39: error: Only '-' allowed for c conversion
  f"$c%#+ 0,(c"
       ^
stringinterpolation_macro-neg.scala:40: error: # not allowed for d conversion
  f"$d%#d"
       ^
stringinterpolation_macro-neg.scala:41: error: ',' only allowed for d conversion of integral types
  f"$d%,x"
       ^
stringinterpolation_macro-neg.scala:42: error: only use '+' for BigInt conversions to o, x, X
  f"$d%+ (x"
       ^
stringinterpolation_macro-neg.scala:42: error: only use ' ' for BigInt conversions to o, x, X
  f"$d%+ (x"
        ^
stringinterpolation_macro-neg.scala:42: error: only use '(' for BigInt conversions to o, x, X
  f"$d%+ (x"
         ^
stringinterpolation_macro-neg.scala:43: error: ',' not allowed for a, A
  f"$f%,(a"
       ^
stringinterpolation_macro-neg.scala:43: error: '(' not allowed for a, A
  f"$f%,(a"
        ^
stringinterpolation_macro-neg.scala:44: error: Only '-' allowed for date/time conversions
  f"$t%#+ 0,(tT"
       ^
stringinterpolation_macro-neg.scala:47: error: precision not allowed
  f"$c%.2c"
       ^
stringinterpolation_macro-neg.scala:48: error: precision not allowed
  f"$d%.2d"
       ^
stringinterpolation_macro-neg.scala:49: error: precision not allowed
  f"%.2%"
     ^
stringinterpolation_macro-neg.scala:50: error: precision not allowed
  f"%.2n"
     ^
stringinterpolation_macro-neg.scala:51: error: precision not allowed
  f"$f%.2a"
       ^
stringinterpolation_macro-neg.scala:52: error: precision not allowed
  f"$t%.2tT"
       ^
stringinterpolation_macro-neg.scala:55: error: No last arg
  f"%<s"
     ^
stringinterpolation_macro-neg.scala:56: error: No last arg
  f"%<c"
     ^
stringinterpolation_macro-neg.scala:57: error: No last arg
  f"%<tT"
     ^
stringinterpolation_macro-neg.scala:58: error: Argument index out of range
  f"${8}%d ${9}%d%3$$d"
                  ^
stringinterpolation_macro-neg.scala:59: error: Argument index out of range
  f"${8}%d ${9}%d%0$$d"
                  ^
stringinterpolation_macro-neg.scala:62: warning: Index is not this arg
  f"${8}%d ${9}%1$$d"
                ^
stringinterpolation_macro-neg.scala:63: warning: Argument index ignored if '<' flag is present
  f"$s%s $s%s %1$$<s"
               ^
stringinterpolation_macro-neg.scala:64: warning: Index is not this arg
  f"$s%s $s%1$$s"
            ^
stringinterpolation_macro-neg.scala:67: error: type mismatch;
 found   : String
 required: java.util.Formattable
  f"$s%#s"
     ^
stringinterpolation_macro-neg.scala:70: error: 'G' doesn't seem to be a date or time conversion
  f"$t%tG"
        ^
stringinterpolation_macro-neg.scala:71: error: Date/time conversion must have two characters
  f"$t%t"
       ^
stringinterpolation_macro-neg.scala:72: error: Missing conversion operator in '%10.5'; use %% for literal %, %n for newline
  f"$s%10.5"
      ^
stringinterpolation_macro-neg.scala:75: error: conversions must follow a splice; use %% for literal %, %n for newline
  f"${d}random-leading-junk%d"
                           ^
three warnings found
45 errors found