ruru 0.9.3

Native Ruby extensions in Rust
Documentation 
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use ruby_sys::fixnum;

use types::{SignedValue, Value};

pub fn int_to_num(num: i64) -> Value {
    unsafe { fixnum::rb_int2inum(num as SignedValue) }
}

pub fn num_to_int(num: Value) -> i64 {
    unsafe { fixnum::rb_num2int(num) as i64 }
}