concat : string -> string -> string
- concat "1" "";
> val it = "1" : string
- concat "hello" "world";
> val it = "helloworld" : string
- concat "hello" (concat " " "world");
> val it = "hello world" : string
This function is open at the top level and is not the same as the Basis function String.concat. The latter concatenates a list of strings.