# myutil
A simple and friendly `error-chain`.
## Usage
```rust
use myutil::{err::*, *};
fn will_panic() {
let l1 = || -> Result<()> { Err(eg!("Some error occur!")) };
let l2 = || -> Result<()> { l1().c(d!()) };
let l3 = || -> Result<()> { l2().c(d!()) };
let l4 = || -> Result<()> { l3().c(d!()) };
pnk!(l4());
}
```
# OutPut Sample
```shell
000000 [pidns: NULL][pid: 46574] 2020-09-06 18:18:32
Error:
├── file: src/lib.rs
└── line: 318
Caused By:
├── file: src/lib.rs
└── line: 316
Caused By:
├── file: src/lib.rs
└── line: 314
Caused By:
├── file: src/lib.rs
└── line: 312
Caused By: Some error occur!
├── file: src/lib.rs
└── line: 310
```