mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
Jon Ross-Perkins
eac7c2bda4
This was an offshoot of the discussion about how much boilerplate we could remove. lit requires RUN lines be there, everything else is optional.
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[me: Self]() -> T {
|
|
return me.data;
|
|
}
|
|
fn Put[addr me: Self*](x: T) {
|
|
(*me).data = x;
|
|
}
|
|
fn Update[addr me: Self*, U:! ImplicitAs(T)](x: U) {
|
|
(*me).data = x;
|
|
}
|
|
fn CreateOther[me: 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;
|
|
}
|