Interpolated strings?
H. S. Teoh
hsteoh at qfbox.info
Mon Dec 16 20:50:20 UTC 2024
On Mon, Dec 16, 2024 at 08:33:27PM +0000, Andy Valencia via Digitalmars-d-learn wrote:
> I have a string full of JavaScript to serve up, and a couple variable
> values need to be interpolated into it. I read that dlang now has
> interpolated strings under i"...", so yay! A bit of example code to
> show what I tried:
>
> string s;
> int i
> auto x = i"Message $(s) has value $(i)"
> writeln(x)
>
> and it worked as expected. But:
>
> string x = i"Message $(s) has value $(i)"
>
> instead does NOT work. And there's no toString, nor does to!string do
> the trick. The core.interpolation file has no unittest, so I can't
> crib from anything there. How _does_ one get the string
> post-interpolation?
[...]
i"..." returns a tuple of its constituents; to get a string, use .text.
Like this:
import std;
string x = i"Message $(s) has value $(i)".text; // should work
T
--
What did the kidnapper have for lunch? Seize-her salad.
More information about the Digitalmars-d-learn
mailing list