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.
43 lines
1.0 KiB
Plaintext
43 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: 0
|
|
|
|
package ExplorerTest api;
|
|
|
|
interface Vector(Scalar:! type) {
|
|
fn Zero() -> Self;
|
|
fn Add[self: Self](b: Self) -> Self;
|
|
fn Scale[self: Self](v: Scalar) -> Self;
|
|
}
|
|
|
|
class Point {
|
|
var x: i32;
|
|
var y: i32;
|
|
impl Point as Vector(i32) {
|
|
fn Zero() -> Point {
|
|
return {.x = 0, .y = 0};
|
|
}
|
|
fn Add[self: Point](b: Point) -> Point {
|
|
return {.x = self.x + b.x, .y = self.y + b.y};
|
|
}
|
|
fn Scale[self: Point](v: i32) -> Point {
|
|
return {.x = self.x * v, .y = self.y * v};
|
|
}
|
|
}
|
|
}
|
|
|
|
fn AddAndScaleGeneric[T:! type, U:! Vector(T)](a: U, s: T) -> U {
|
|
return a.Add(U.Zero()).Scale(s);
|
|
}
|
|
|
|
fn Main() -> i32 {
|
|
var a: Point = {.x = 2, .y = 1};
|
|
var p: Point = AddAndScaleGeneric(a, 5);
|
|
return p.x - 10;
|
|
}
|