basic_parser::fail

Indicate a parsing failure.

Synopsis

void
fail(
    boost::system::error_code ec) noexcept;

Description

This changes the state of the parser to indicate that the parse has failed. A parser implementation can use this to fail the parser if needed due to external inputs.

If ! ec.failed(), an implementation-defined error code that indicates failure will be stored instead.

Complexity

Constant.

Exception Safety

No-throw guarantee.

Parameters

Name Description

ec

The error code to set.
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