On 04/20/2017 06:23 AM, Martin Tschierschke wrote:
and this not?
import scriptlike;
// with exho definition outside the scope of the used vars
auto exho(string x)(){return mixin("writeln("~interp!x~")");}
void main()
{
auto name = userInput!string("Please enter your name");
auto age = userInput!int("And your age");
writeln(mixin(interp!"${name} you are app. ${age*365} days old"));
exho!"${name} and this are app ${age*365*24} hours!";
}
The definition for:
exho!"${name} and this are app ${age*365*24} hours!"
...once the template is instantiated and the mixin is evaluated, is
turned into this:
auto exho()
{
return writeln("${name} and this are app ${age*365*24} hours!");
}
But, there is no identifier "name" or "age" within the scope of exho.
However, if exho is instead defined as a nested function WITHIN main,
then as with any (non-static) nested function, it DOES have access to
the local variables from the outer function.
This, incidentally, is exactly why interp!"..." needs to be a string
mixin in the first place.
