On Wednesday, 15 August 2018 at 14:58:40 UTC, Everlast wrote: > Many times one must create a variable before a function call: > > > int x = 3; > foo(x); > writeln(x); > > [...] check this out: void main() { import std.stdio; writeln = 4; } https://run.dlang.io/is/0wgWtw