@safe function with __gshared as default parameter value
data.pulverizer at gmail.com
Wed Apr 8 18:50:16 UTC 2020
On Wednesday, 8 April 2020 at 16:53:05 UTC, Anonymouse wrote:
> import std.stdio;
> __gshared int gshared = 42;
> void foo(int i = gshared)
> void main()
> This currently works; `foo` is `@safe` and prints the value of
> `gshared`. Changing the call in main to `foo(gshared)` errors.
> Should it work, and can I expect it to keep working?
According to the manual it shouldn't work at all
https://dlang.org/spec/function.html#function-safety where it
says Safe Functions: "Cannot access __gshared variables.", I
don't know why calling as `foo()` works.
More information about the Digitalmars-d-learn