rs_utils/
macros.rs

1//! Utility macros
2
3/// Expands into a series of for loops with the given block of code which should
4/// treat each type uniformly.
5///
6/// This is to avoid dynamic dispatch when chaining iterators over generic
7/// collections when the types are known.
8pub macro for_sequence {
9  ( $pattern:pat in ($($iter:expr),+) $do:block
10  ) => {
11    $(for $pattern in $iter $do)+
12  }
13}
14
15/// Print the stringified expression followed by its debug formatting
16pub macro show {
17  ($e:expr) => {
18    println!("{}: {:?}", stringify!($e), $e);
19  }
20}
21
22/// Print the stringified expression followed by its pretty debug formatting
23pub macro pretty {
24  ($e:expr) => {
25    println!("{}: {:#?}", stringify!($e), $e);
26  }
27}
28
29/// Print the stringified expression followed by its display formatting
30pub macro display {
31  ($e:expr) => {
32    println!("{}: {}", stringify!($e), $e);
33  }
34}
35
36/// Print the stringified expression followed by its bitstring formatting
37pub macro bits {
38  ($e:expr) => {
39    let e = $e;
40    println!("{}: {:02$b}", stringify!($e), e, 8 * std::mem::size_of_val (&e));
41  }
42}
43
44/// Print the stringified expression followed by its hexadecimal formatting
45pub macro hex {
46  ($e:expr) => {
47    println!("{}: {:x}", stringify!($e), $e);
48  }
49}
50
51/// Print the stringified expression followed by its pointer formatting
52pub macro address {
53  ($e:expr) => {
54    println!("{}: {:p}", stringify!($e), $e);
55  }
56}
rs_utils/macros.rs

rs_utils/
macros.rs
