FILE fqName:<root> fileName:/kt27933.kt
  FUN name:box visibility:public modality:FINAL <> () returnType:kotlin.String flags:
    BLOCK_BODY
      VAR name:r type:kotlin.String flags:var
        CONST String type=kotlin.String value=""
      WHEN type=kotlin.Unit origin=null
        BRANCH
          if: CALL 'NOT(Boolean): Boolean' type=kotlin.Boolean origin=EXCLEQ
            arg0: CALL 'EQEQ(Any?, Any?): Boolean' type=kotlin.Boolean origin=EXCLEQ
              arg0: GET_VAR 'r: String' type=kotlin.String origin=null
              arg1: CONST String type=kotlin.String value=""
          then: BLOCK type=kotlin.Nothing origin=IF
        BRANCH
          if: CONST Boolean type=kotlin.Boolean value=true
          then: SET_VAR 'r: String' type=kotlin.Unit origin=PLUSEQ
            CALL 'plus(Any?): String' type=kotlin.String origin=PLUSEQ
              $this: GET_VAR 'r: String' type=kotlin.String origin=PLUSEQ
              other: CONST String type=kotlin.String value="O"
      WHEN type=kotlin.Unit origin=null
        BRANCH
          if: CALL 'EQEQ(Any?, Any?): Boolean' type=kotlin.Boolean origin=EQEQ
            arg0: GET_VAR 'r: String' type=kotlin.String origin=null
            arg1: CONST String type=kotlin.String value="O"
          then: SET_VAR 'r: String' type=kotlin.Unit origin=PLUSEQ
            CALL 'plus(Any?): String' type=kotlin.String origin=PLUSEQ
              $this: GET_VAR 'r: String' type=kotlin.String origin=PLUSEQ
              other: CONST String type=kotlin.String value="K"
      RETURN type=kotlin.Nothing from='box(): String'
        GET_VAR 'r: String' type=kotlin.String origin=null
