component_model 0.17.0

Revolutionary type-safe component assignment for Rust. Build complex objects with zero boilerplate using derive macros and type-driven field setting. Perfect for configuration builders, fluent APIs, and object composition patterns.
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

#[ allow( unused_imports ) ]
use super :: *;
#[ allow( unused_imports ) ]
use component_model :: { Assign, AssignWithType };

///
/// Options1
///
#[ derive( Debug,
  Default,
  PartialEq,
  the_module ::ComponentFrom,
  the_module ::Assign,
  the_module ::ComponentsAssign,
  the_module ::FromComponents, ) ]
// qqq: make these traits working for generic struct, use `split_for_impl`
pub struct Options1 
{
  field1: i32,
  field2: String,
  field3: f32,
}

///
/// Options2
///
#[ derive( Debug,
  Default,
  PartialEq,
  the_module ::ComponentFrom,
  the_module ::Assign,
  the_module ::ComponentsAssign,
  the_module ::FromComponents, ) ]
pub struct Options2 
{
  field1: i32,
  field2: String,
}

//

// impl< T > From< T > for Options2
// where
//   T: Into< i32 >,
//   T: Into< String >,
//   T: Clone,
// {
//   #[ inline( always ) ]
//   fn from( src: T ) -> Self
//   {
//     let field1 = Into :: < i32 > ::into( src.clone() );
//     let field2 = Into :: < String > ::into( src.clone() );
//     Options2
//     {
//       field1,
//       field2,
// }
// }
// }

//

include!("./only_test/composite.rs");