src/test/run-pass/const-block-item.rs

   1 // Copyright 2014 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
  12 mod foo {
  13     pub trait Value {
  14         fn value(&self) -> usize;
  15     }
  16 }
  17
  18 static BLOCK_USE: usize = {
  19     use foo::Value;
  20     100
  21 };
  22
  23 static BLOCK_STRUCT_DEF: usize = {
  24     struct Foo {
  25         a: usize
  26     }
  27     Foo{ a: 300 }.a
  28 };
  29
  30 static BLOCK_FN_DEF: fn(usize) -> usize = {
  31     fn foo(a: usize) -> usize {
  32         a + 10
  33     }
  34     foo
  35 };
  36
  37 static BLOCK_MACRO_RULES: usize = {
  38     macro_rules! baz {
  39         () => (412)
  40     }
  41     baz!()
  42 };
  43
  44 pub fn main() {
  45     assert_eq!(BLOCK_USE, 100);
  46     assert_eq!(BLOCK_STRUCT_DEF, 300);
  47     assert_eq!(BLOCK_FN_DEF(390), 400);
  48     assert_eq!(BLOCK_MACRO_RULES, 412);
  49 }