246 explicit label collides with implicit expr

✓ Passing This code compiles and runs correctly.

Code

// PINS: the implicit `expr` remap + an explicit `expr:` label land on the
// same parameter — `~test(first thing, expr: and a second)` compiled and
// emitted only "first thing" (measured 2026-09-24). The positional binding
// and the label collide; one is silently dropped. Refuse.
import std/testing

test(first thing, expr: and a second) {
    assert.ok()
}

input.k

Frontend must reject with:

CONTAINS bound twice

Flows

flow ~test click a branch to expand · @labels scroll to their anchor

test (first thing, expr: and a second, source: assert.ok())

← 245 duplicate label freeform callee refused 247 dup field tor input refused →