[#absl-ParseFlag-03]
= xref:absl.adoc[absl]::ParseFlag
:relfileprefix: ../
:mrdocs:

`ParseFlag` overloads

== Synopses

Declared in `<absl/flags/marshalling.h>`

Deprecated. Use `AbslParseFlag()` instead.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated("Use AbslParseFlag() instead.")]]
bool
xref:absl/ParseFlag-05.adoc[ParseFlag](
    std::string const& text,
    xref:absl/Duration.adoc[Duration]* dst,
    std::string* error);
----

[.small]#xref:absl/ParseFlag-05.adoc[_» more..._]#

Parses a string value into a flag value of type `T`. Do not add overloads of this function for your type directly; instead, add an `AbslParseFlag()` free function as documented above.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename T>
bool
xref:absl/ParseFlag-09.adoc[ParseFlag](
    std::string_view input,
    T* dst,
    std::string* error);
----

[.small]#xref:absl/ParseFlag-09.adoc[_» more..._]#

== Return Value

* `true` upon successful parsing.
* `true` if `input` was successfully parsed into `*dst`.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *text*
| The flag string to parse.
| *dst*
| Output parameter receiving the parsed duration.
| *error*
| Output parameter receiving an error message on failure.
| *input*
| The string to parse.
|===


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