inspect_type 0.16.0

Diagnostic-purpose tools to inspect type of a variable and its size.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85

#![ doc( html_logo_url = "https://raw.githubusercontent.com/Wandalen/wTools/master/asset/img/logo_v3_trans_square.png" ) ]
#![ doc( html_favicon_url = "https://raw.githubusercontent.com/Wandalen/wTools/alpha/asset/img/logo_v3_trans_square_icon_small_v2.ico" ) ]
#![ doc( html_root_url = "https://docs.rs/inspect_type/latest/inspect_type/" ) ]
#![ doc = include_str!( concat!( env!( "CARGO_MANIFEST_DIR" ), "/", "Readme.md" ) ) ]
#![ allow( unexpected_cfgs ) ]

// xxx : qqq : no need in nightly anymore
// #[ allow( unexpected_cfgs ) ]
// #[ cfg( RUSTC_IS_NIGHTLY ) ]
// #[ cfg( not( RUSTC_IS_STABLE ) ) ]
mod nightly
{
  /// Macro to inspect type of a variable and its size exporting it as a string.
  #[ macro_export ]
  macro_rules! inspect_to_str_type_of
  {
    ( $src : expr ) =>
    {{
      let mut result = String::new();
      let stringified = stringify!( $src );
      let size = &std::mem::size_of_val( &$src ).to_string()[ .. ];
      let type_name = std::any::type_name_of_val( &$src );
      result.push_str( &format!( "sizeof( {} : {} ) = {}", stringified, type_name, size )[ .. ] );
      result
    }};
    ( $( $src : expr ),+ $(,)? ) =>
    {
      ( $( $crate::dbg!( $src ) ),+ )
    };
  }

  /// Macro to inspect type of a variable and its size printing into stdout and exporting it as a string.
  #[ macro_export ]
  macro_rules! inspect_type_of
  {
    ( $src : expr ) =>
    {{
      let result = $crate::inspect_to_str_type_of!( $src );
      println!( "{}", result );
      result
    }}
  }

  pub use inspect_to_str_type_of;
  pub use inspect_type_of;
}

#[ doc( inline ) ]
#[ allow( unused_imports ) ]
pub use own::*;

/// Own namespace of the module.
#[ allow( unused_imports ) ]
pub mod own
{
  use super::orphan;
  #[ doc( inline ) ]
  pub use orphan::*;
}

/// Orphan namespace of the module.
#[ allow( unused_imports ) ]
pub mod orphan
{
  use super::exposed;
  #[ doc( inline ) ]
  pub use exposed::*;
}

/// Exposed namespace of the module.
#[ allow( unused_imports ) ]
pub mod exposed
{
  use super::prelude;
  #[ doc( inline ) ]
  pub use prelude::*;
}

/// Prelude to use essentials: `use my_module::prelude::*`.
#[ allow( unused_imports ) ]
pub mod prelude
{
  #[ doc( inline ) ]
  pub use crate::nightly::*;
}