When discussing the concept of multiple occurrences of auto in deducing a placeholder type, particularly in languages like C++ (which uses auto for type inference), the standard phrasing often includes the following points:

Type Deduction for Multiple Occurrences of auto: When auto is used multiple times in a declaration (e.g., in a function signature, or when declaring multiple variables), the compiler deduces the type based on the available information from the context in which it appears. Each occurrence of auto is inferred independently based on the expression it is assigned or initialized with.

Template Parameter Deduction and Multiple auto: In function templates or lambda expressions, if multiple instances of auto are used (as in the case of multiple parameters or return types), the compiler will deduce each type separately.