BigInt is a struct == ValueType, suppose i can assign const(BigInt) to BigInt
const(BigInt)/const(BigInt) do not compile.

Is it a bug or design considerations?

test.d
----
import std.stdio;
import std.bigint;

void foo(BigInt b)
{
	std.stdio.writefln("foo(%s)", b);
}

void main()
{
	const BigInt b = BigInt("445216415446");

	auto b1 = b / b;

	foo(b);
}
----

$ dmd test.d
/tmp/test.d(14): Error: 'b' is not of arithmetic type, it is a const(BigInt)
/tmp/test.d(14): Error: 'b' is not of arithmetic type, it is a const(BigInt)
/tmp/test.d(16): Error: function test.foo (BigInt b) is not callable using argument types (const(BigInt))

Ruslan Mullakhmetov:

> Is it a bug or design considerations?

It was a const correctness bug, but it's already fixed in recent D compilers.

Bye,
bearophile

On Sunday, 16 February 2014 at 20:36:32 UTC, bearophile wrote:
> Ruslan Mullakhmetov:
>
>> Is it a bug or design considerations?
>
> It was a const correctness bug, but it's already fixed in recent D compilers.
>
> Bye,
> bearophile

> recent D compilers.

i use v2.064.2. is it outdated ?

Ruslan Mullakhmetov:

> i use v2.064.2. is it outdated ?

It will be fixed in dmd 2.065. It's not yet out but you can use it already if you want to be on the "bleeding edge", it's currently in beta3 and most regressions are fixed, so it's probably better than using dmd 2.064.2.

Bye,
bearophile