...pointer points to may be modified (head const).

That leads me to the question for...

...24851 - Some members of CustomFloat can have const this" was merged into master:

- 8b051674ccad978a6668b074ac9c345c543c414a by...

...const this" fixing this issue:

- Fix bugzilla 24851 - Some members of CustomFloat can have const...

...de

The following currently fails for const variables:
```
    const CustomFloat!16 x = CustomFloat!16(3...

...isNumeric!T) {
        value = v;
    }

    void opAssign(T)(const T v) if(isNumeric!T) {
        value = v...

...graphicsapi.common.SubmitDesc.__xopEquals(ref const(leo.graphicsapi.common.SubmitDesc)) const'
collect2: error: ld returned...

...glue.generateCodeAndWrite(dmd.dmodule.Module[],
const(char)*[], const(char)[], const(char)[], bool, bool, bool, bool...

...g.

struct S
{
    const int foo() { ... }
}

is going to make foo a const member function...

...text that uses finite forward ranges of `const(char)` internally for static text, and also...

...unitPrice;
    int quantity;
    double discount;
    double totalPrice;
}

const DISCOUNTS = [
    "WELCOME": 5,
    "HAPPY": 2
];

double[] applyDiscounts...