class
handleEnables scanning of a user-defined type.
Contains a pointer to the value contained in a scan_arg_store
, and a callback for parsing the format string, and scanning the value.
Public functions
-
auto scan(typename Context::parse_context_type& parse_ctx,
Context& ctx) const → scan_
expected<void>
Function documentation
scan_ expected<void> scn:: basic_scan_arg:: handle:: scan(typename Context::parse_context_type& parse_ctx,
Context& ctx) const
Returns | Any error returned by the scanner |
---|
Parse the format string in parse_ctx
, and scan the value from ctx
.