✓
Passing This code compiles and runs correctly.
Code
// ============================================================================
// Test 210_078: MUST_ERROR — outer parens wrapping the whole `when` condition
// are redundant and rejected.
//
// `when` already delimits the expression; the outer parens add no information
// and visually echo C-family `if (cond)` syntax that Koru does not adopt.
// Inner parens for sub-expression grouping (`when foo == (a + b)`) remain
// legal — only whole-expression wrapping is rejected.
// ============================================================================
~tor check { x: i32 }
| high i32
~check(x: 5)
| high h when (h > 10) |> _
| high _ |> _
Must fail at frontend compile:
Parsing or type-checking must reject the program.
Expected patterns
Each line is a regex that must match the program output.
error\[KORU024\]
redundant outer parens
when (h > 10)
input\.kz:15