try_v2 0.3.5

Provides a derive macro for `Try` ([try_trait_v2](https://rust-lang.github.io/rfcs/3058-try-trait-v2.html))
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

error: Try can only be derived for an enum
 --> tests/compilation/fail_Union.rs:6:10
  |
6 | #[derive(Try, Try_ConvertResult)]
  |          ^^^
  |
help: not an enum
 --> tests/compilation/fail_Union.rs:8:1
  |
8 | union Union {
  | ^^^^^
  = note: this error originates in the derive macro `Try` (in Nightly builds, run with -Z macro-backtrace for more info)

error: Try can only be derived for an enum
 --> tests/compilation/fail_Union.rs:6:15
  |
6 | #[derive(Try, Try_ConvertResult)]
  |               ^^^^^^^^^^^^^^^^^
  |
help: not an enum
 --> tests/compilation/fail_Union.rs:8:1
  |
8 | union Union {
  | ^^^^^
  = note: this error originates in the derive macro `Try_ConvertResult` (in Nightly builds, run with -Z macro-backtrace for more info)