...calling the expensive
> member.

Agreed about functions.

DbI allows one to inject member variables:

  static...

...map's implementation for whatever reason uses DbI to determine that since .opIndex is present...

...really. My thought process was the following:

DbI allows range algorithms to e.g. provide...

...there is a range type that uses DbI:

struct S(R) {
// ...
  static if (isRandomAccessRange!R...

...mention of it. :) It looks like a DbI (design by introspection) thing in Phobos or...

...soon to be public), which is a DbI system to build dialect-agnostic SQL which...

...be this way. We could just use DbI to inspect whether the incoming type supports...

...from one Phobos to another because the DBI interface presumably stays the same, albeit there...

...good thing that _can_ be said about DbI, I don't think it is a...

...introduce bugs during refactoring.

Template functions with DbI also adds to D's plasticity: by...