Compiler implementation of the D programming language.
alias ident this;
The symbol this alias this resolves to
Whether this alias this is deprecated or not
Check if an alias this is deprecated 
Usually one would use expression.checkDeprecated(scope, aliasthis) to check if expression uses a deprecated aliasthis, but this calls toPrettyChars which lead to the following message: "Deprecation: alias this fullyqualified.aggregate.__anonymous is deprecated" 
| AliasThis at | The AliasThisobject to check | 
| Loc loc | Locof the expression triggering the access toat | 
| Scope* sc | Scopeof the expression (deprecations do not trigger in deprecated scopes) | 
    © 1999–2019 The D Language Foundation
Licensed under the Boost License 1.0.
    https://dlang.org/phobos/dmd_aliasthis.html