053 reject old tap syntax

○ Planned This feature is planned but not yet implemented.

OWED: bare `source -> dest` tap spelling is refused with the pinned diagnostic.

Failure Output

error[KORU010]: stray continuation line without Koru construct
  --> tests/regression/200_COMPILER_FEATURES/210_PARSER/210_053_reject_old_tap_syntax/input.kz:10:1
    |
 10 | |> _
    | ^

Code

input.kz

Must fail at frontend compile:

Parsing or type-checking must reject the program.

Expected compiler error

error[PARSE001]: invalid flow invocation
  --> tests/regression/200_COMPILER_FEATURES/210_PARSER/210_053_reject_old_tap_syntax/input.kz:9:0
    |
  9 | ~foo -> *
    | ^

Error output must contain

invalid flow invocation