...in scala's pattern matching (which is pure gold). I'd really advise anyone to...

...class C
    {
        int n;
        this(int n) pure @safe { this.n = n; }
    }

    const(C) obj...

...custom array, for instance:

```D
// Currently:
@trusted pure nothrow @nogc opIndex(size_t index)
{   if...

...ER be pre-approved ? It's a pure semantics change, plus for now it's...

...to `const` inside a `pure` immediately invoked lambda, i.e. `(() pure => ExpressionwithConst)()` because accessing globals...

```d
ubyte parseHex(immutable char ch) pure nothrow @safe @nogc {
	switch (ch) {
	case '0': .. case...

...like

```d
uint parseHex(in char ch) pure nothrow @safe @nogc {
	switch (ch) {
	case '0...

...dont access global state isnt like a pure function because most of it is pure.

That would be pure coincidence because I have never seen the code for Ritchie's...

...default storage
  classes. Only `nothrow`, `@nogc` and `pure` are supported for now.
  They can be...