Trailing return type

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  • function_name ( [function_args] ) [function_attributes] [function_qualifiers] -> trailing-return-type [requires_clause]


The above syntax shows a full function declaration using a trailing type, where square brackets indicate an optional part of the function declaration (like the argument list if a no-arg function).

Additionally, the syntax of the trailing return type prohibits defining a class, union, or enum type inside a trailing return type (note that this is not allowed in a leading return type either). Other than that, types can be spelled the same way after the -> as they would be elsewhere.

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Thursday, September 29, 2016
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