op ?->

?->

Precedence: −1 Associativity: left

Defined in

5.2 Precedence and associativity — Precedence and associativity
5.3 Overloading and user-defined operators — Overloading built-in operators — op declarations in impl
1.6 Operators and delimiters — + - * / % ** +% -% % +| -| | & | ^ ~ << >> && || !
8.4 Chains — A chain links asynchronous steps so that either the whole chain is executed or the first unhandled error is returned.
1.2 Statement termination — A statement is terminated by ; or by a line break.