Bill Wood wrote:
On Tue, 2007-08-14 at 16:02 -0700, Dan Piponi wrote:
. . .
On 8/14/07, Michael Vanier <[EMAIL PROTECTED]> wrote:
I'm reminded of
a physics teacher who was having a similar problem explaining the concept of
tensors, until he said
that "a tensor is something that transforms
On Tue, 2007-08-14 at 16:02 -0700, Dan Piponi wrote:
. . .
> On 8/14/07, Michael Vanier <[EMAIL PROTECTED]> wrote:
> > I'm reminded of
> > a physics teacher who was having a similar problem explaining the concept
> > of tensors, until he said
> > that "a tensor is something that transforms lik
On 8/14/07, Michael Vanier <[EMAIL PROTECTED]> wrote:
I'm becoming more and more convinced that metaphors for monads do more harm
> than good. From now on
> I'm going to describe monads as purely abstract entities that obey certain
> laws, and that _in
> certain instances_ can be viewed to be lik
On 8/14/07, Dan Weston <[EMAIL PROTECTED]> wrote:
> Conor McBride and Ross Paterson said it best in the introduction to
> their paper "Applicative programming with effects" [1]:
As von Neumann said: "Young man, in mathematics you don't understand
things, you just get used to them."
Getting used t
As you know, an arrow tutorial is like a wrapper around a monad tutorial, sort of like a container
around it that can do extra actions with sufficient lifting. The appropriate higher-order function
to convert monad tutorials to arrow tutorials will be left as an exercise to the reader.
I'm
On 14/08/07, Dan Weston <[EMAIL PROTECTED]> wrote:
[snips another metaphor for monadic programming]
No offence to Dan, whose post I enjoyed. The concept of wrapping is as
close a metaphor as we seem to get without disagreements. But this has
brought me to a realisation, after Paul Erdos:
The Has
