On Mon, Dec 16, 2013 at 01:45:38PM -0800, Walter Bright wrote:
> On 12/16/2013 12:38 PM, Andrei Alexandrescu wrote:
> >bool between(T, U1, U2)(T v, U1 lo, U2 hi)
> >{
> > return v >= lo && v <= hi;
> >}
>
> You'd need 4 such functions, < <, < <=, <= <, <= <=, and it just seems like
> trivia.
[...]
bool between(string op1=">=", string op2="<=", T, U1, U2)
(T v, U1, lo, U2 hi)
{
return mixin("v" ~ op1 ~ "lo") &&
mixin("v" ~ op2 ~ "hi");
}
x.between(y, z); // y <= x <= z
x.between!(">", "<")(y, z); // y < x < z
// etc.
T
--
"I'm not childish; I'm just in touch with the child within!" - RL
