use std/io use std/vec.Vec struct Counter { value: i32 } blocking func main(): i32! { var counters = Vec [Counter { value: 1 }, Counter { value: 2 }, Counter { value: 3 }] for counter in &+counters { counter.value += 10 } var borrowed_total: i32 = 0 for counter in &counters { borrowed_total += counter.value } var moved_total: i32 = 0 for counter in move counters { moved_total += counter.value } let message = "borrowed: ${borrowed_total}, moved: ${moved_total}\n" io.print(&message)? return 0 }

func main(): i32 { let value = load_value() catch failure { fallback_for(failure.message()) } if value == 42 { return 0 } return 1 } func load_value(): i32! { return error.new("example.unavailable", "the primary value is unavailable") } func fallback_for(message: &str): i32 { return 42 }

use std/task use std/time use std/time.Duration async func delayed(value: i32): i32 { await time.sleep(Duration.from_milliseconds(1)) return value } async func main(): i32! { let (left, right) = await task.join(delayed(20), delayed(22)) if left + right != 42 { return error.new("example.unexpected_total", "joined tasks returned the wrong total") } return 0 }

use std/io use std/url.Url blocking func main(): i32! { let url = Url.parse("HTTP://Example.COM:80/a/../status?q=ready#fragment")? let canonical = url.to_string() let authority = url.authority() let target = url.request_target() io.println(&canonical)? io.println(&authority)? io.println(&target)? return 0 }

nocter-native-session

Responsibility

Compose a successful compiler session with Target, MIR, Machine, ARM64, and Mach-O lowering and return a complete native artifact or typed failure.

Contract

The crate accepts only a query-backed CompiledTarget, orchestrates backend stage contracts, and owns output bytes plus native test execution support. It does not discover source, run semantic analysis, implement backend rules, select command-line policy, or publish filesystem artifacts.

Internal Responsibilities

src/tests.rs owns only the shared native-session test harness: discovery, compilation, temporary package lifecycle, and generated-image execution.
src/tests/ groups integration tests by the runtime or compiler boundary they exercise. One test group cannot use another group's private helpers.
reusable Nocter source corpora live under development/compiler/tests/fixtures/native/; Rust test modules select those inputs but do not embed large source packages.

Invariants

Each stage consumes exactly the previous closed product.
Native requests cannot carry a discovery snapshot or reopen semantic compilation.
Multi-executable lowering receives already paired identities and executable programs from session; it cannot repeat target lookup or combine separate target owners.
A backend integrity failure cannot be presented as a source-language diagnostic.
Partial native output is never returned as a successful artifact.

nocter-native-session#

Responsibility#

Contract#

Internal Responsibilities#

Invariants#

nocter-native-session

Responsibility

Contract

Internal Responsibilities

Invariants