2014-02-07 19:08:32 +00:00
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// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
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2012-12-11 01:32:48 +00:00
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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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2016-10-12 17:54:41 +00:00
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// ignore-pretty issue #37199
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2014-05-11 04:27:44 +00:00
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2015-03-26 00:06:52 +00:00
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fn match_ref(v: Option<isize>) -> isize {
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2012-08-06 19:34:08 +00:00
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match v {
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2012-08-20 19:23:37 +00:00
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Some(ref i) => {
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2012-08-07 13:04:36 +00:00
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*i
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2012-04-26 23:02:01 +00:00
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}
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2012-08-20 19:23:37 +00:00
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None => {0}
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2012-04-26 23:02:01 +00:00
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}
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}
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2015-03-26 00:06:52 +00:00
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fn match_ref_unused(v: Option<isize>) {
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2012-08-06 19:34:08 +00:00
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match v {
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2012-08-20 19:23:37 +00:00
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Some(_) => {}
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None => {}
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2012-04-26 23:02:01 +00:00
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}
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}
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2015-03-26 00:06:52 +00:00
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fn impure(_i: isize) {
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2012-05-23 04:36:50 +00:00
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}
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2015-03-26 00:06:52 +00:00
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fn match_imm_reg(v: &Option<isize>) {
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2012-08-06 19:34:08 +00:00
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match *v {
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2012-08-20 19:23:37 +00:00
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Some(ref i) => {impure(*i)} // OK because immutable
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None => {}
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2012-04-26 23:02:01 +00:00
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}
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}
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2015-03-26 00:06:52 +00:00
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fn match_mut_reg(v: &mut Option<isize>) {
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2013-03-15 19:24:24 +00:00
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match *v {
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Some(ref i) => {impure(*i)} // OK, frozen
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None => {}
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}
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}
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2013-09-25 07:43:37 +00:00
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pub fn main() {
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2012-04-26 23:02:01 +00:00
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}
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