real-proc 0.0.2

proc macros for floating point constants.
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# Description
Proc-macro for generating [const-Frac::Frac] from a decimal literal in const context.
# Badges
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# Usage
```
use ::real_proc::frac;
use ::const_frac::Frac;

const CONST: Frac = frac!(const_frac, 3.14e-20);

let int = Frac::from_int(314);
let right = int * Frac::from_exp10(-22);

assert_eq!(CONST, right);
```
# Project status
This package is in the very early stage.