implement 'big' type

[graydon]

There's a BSD implementation (in C) in the rt directory. Wire it into the compiler and runtime.

[graydon]

Shifted to rustc

[brson]

Now that we have operator overloading we can probably create a credible big int in the library

[catamorphism]

Key words to make this easier to search for: big integers, arbitrary-precision integers

[kud1ing]

There is also a student project for this: Mozilla-Student-Projects/Projects-Tracker#37

[bstrie]

Is there anything more to this beyond Pull #4198? Like, say, making bigints a first-class primitive type?

[brson]

@bstrie In my opinion we don't need first-class language support since we have traits and operator overloading. I think if #4198 gets merged then we can close this.

[kud1ing]

#4198 got merged

[brson]

Closing.

[brson]

I've looked forward to this a long time. This was the oldest issue. Now it's #37