022 double pipe branch

✓ Passing This code compiles and runs correctly.

Code

// Test: Double pipe before branch name
// Expected: Parser rejects with "invalid branch name"

~event foo { x: i32 }
|| done

input.kz

Must fail at frontend compile:

Parsing or type-checking must reject the program.

Expected compiler error

error[PARSE003]: branch missing name
  --> tests/regression/500_INTEGRATION_TESTING/510_NEGATIVE_TESTS/510_022_double_pipe_branch/input.kz:5:1
    |
  5 | || done
    | ^

← 021 duplicate branch names 023 branch without name →