[#fmt-formatter-047-parse]
= xref:fmt.adoc[fmt]::xref:fmt/formatter-047.adoc[formatter<folly::rich_ptr_to_underlying_error<Ex>>]::parse
:relfileprefix: ../../
:mrdocs:

Parses the format spec, delegating to `Ex`'s formatter when applicable.

== Synopsis

Declared in `<folly/result/rich_error_base.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
format_parse_context::iterator
parse(format_parse_context& ctx);
----

== Return Value

An iterator past the parsed range.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| The format parse context.
|===


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