33 lines
811 B
Rust
33 lines
811 B
Rust
// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![feature(const_fn)]
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#![deny(const_err)]
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pub struct Data<T> {
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function: fn() -> T,
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}
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impl<T> Data<T> {
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pub const fn new(function: fn() -> T) -> Data<T> {
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Data {
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function: function,
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}
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}
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}
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pub static DATA: Data<i32> = Data::new(|| {
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413i32
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});
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fn main() {
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print!("{:?}", (DATA.function)());
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}
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