Constructs the exception from a description and extra context arguments.

Synopsis

Declared in <folly/FormatArg.h>

template<typename... A>
explicit
BadFormatArg(
    ErrorStrTag unused,
    StringPiece descr,
    A const&... a);

Template Parameters

Name

Description

A

The extra context argument types.

Parameters

Name

Description

unused

Tag selecting the error‐string overload.

descr

A description of the invalid argument.

a

Extra context values appended to the message.

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