src/test/codegen-units/item-collection/non-generic-closures.rs

   1 // Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // In the current version of the collector that still has to support
  12 // legacy-trans, closures do not generate their own TransItems, so we are
  13 // ignoring this test until MIR trans has taken over completely
  14 // ignore-test
  15
  16 // ignore-tidy-linelength
  17 // compile-flags:-Zprint-trans-items=eager
  18
  19 #![deny(dead_code)]
  20
  21 //~ TRANS_ITEM fn non_generic_closures::temporary[0]
  22 fn temporary() {
  23     //~ TRANS_ITEM fn non_generic_closures::temporary[0]::{{closure}}[0]
  24     (|a: u32| {
  25         let _ = a;
  26     })(4);
  27 }
  28
  29 //~ TRANS_ITEM fn non_generic_closures::assigned_to_variable_but_not_executed[0]
  30 fn assigned_to_variable_but_not_executed() {
  31     //~ TRANS_ITEM fn non_generic_closures::assigned_to_variable_but_not_executed[0]::{{closure}}[0]
  32     let _x = |a: i16| {
  33         let _ = a + 1;
  34     };
  35 }
  36
  37 //~ TRANS_ITEM fn non_generic_closures::assigned_to_variable_executed_directly[0]
  38 fn assigned_to_variable_executed_indirectly() {
  39     //~ TRANS_ITEM fn non_generic_closures::assigned_to_variable_executed_directly[0]::{{closure}}[0]
  40     let f = |a: i32| {
  41         let _ = a + 2;
  42     };
  43     run_closure(&f);
  44 }
  45
  46 //~ TRANS_ITEM fn non_generic_closures::assigned_to_variable_executed_indirectly[0]
  47 fn assigned_to_variable_executed_directly() {
  48     //~ TRANS_ITEM fn non_generic_closures::assigned_to_variable_executed_indirectly[0]::{{closure}}[0]
  49     let f = |a: i64| {
  50         let _ = a + 3;
  51     };
  52     f(4);
  53 }
  54
  55 //~ TRANS_ITEM fn non_generic_closures::main[0]
  56 fn main() {
  57     temporary();
  58     assigned_to_variable_but_not_executed();
  59     assigned_to_variable_executed_directly();
  60     assigned_to_variable_executed_indirectly();
  61 }
  62
  63 //~ TRANS_ITEM fn non_generic_closures::run_closure[0]
  64 fn run_closure(f: &Fn(i32)) {
  65     f(3);
  66 }