mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
Richard Smith
4daaa4866f
Also make minor updates to the skeletal design in docs/design/name_lookup.md following #2113, as there are no longer any prelude names that are made available to unqualified name lookup by default. Add `type` to the keyword list in docs/design/lexical_conventions/words.md, following #2360.
44 lines
1.0 KiB
Plaintext
44 lines
1.0 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
|
|
// Exceptions. See /LICENSE for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
// AUTOUPDATE
|
|
// RUN: %{explorer-run}
|
|
// RUN: %{explorer-run-trace}
|
|
// CHECK:STDOUT: result: 3
|
|
|
|
package ExplorerTest api;
|
|
|
|
class Cell(T:! type) {
|
|
fn Create(x: T) -> Cell(T) { return { .data = x }; }
|
|
|
|
fn Get[self: Self]() -> T {
|
|
return self.data;
|
|
}
|
|
fn Put[addr self: Self*](x: T) {
|
|
(*self).data = x;
|
|
}
|
|
fn Update[addr self: Self*, U:! ImplicitAs(T)](x: U) {
|
|
(*self).data = x;
|
|
}
|
|
fn CreateOther[self: Self, U:! type](x: U) -> Cell(U) {
|
|
return {.data = x};
|
|
}
|
|
var data: T;
|
|
}
|
|
|
|
class Integer {
|
|
var int: i32;
|
|
}
|
|
|
|
fn Main() -> i32 {
|
|
var i: Integer = {.int = 1};
|
|
var c: Cell(Integer) = Cell(Integer).Create(i); // c contains 1
|
|
i = {.int = 2};
|
|
var j: Integer = c.Get(); // j == 1
|
|
c.Put(i); // c contains 2
|
|
c.Update(j); // c contains 1
|
|
var d: Cell(Integer) = c.CreateOther(i); // d contains 2
|
|
return c.data.int + d.data.int;
|
|
}
|