[#BloombergLP-bdlt-Iso8601Util-parse-02f]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/Iso8601Util.adoc[Iso8601Util]::parse
:relfileprefix: ../../../
:mrdocs:

Parse the specified ISO 8601 `string` as a `Datetime` or `DatetimeTz` value, depending on the presence of a zone designator, and load the value into the specified `result`, using the optionally specified `configuration`. Return 0 on success, and a non‐zero value (with no effect) otherwise. `string` is assumed to be of the form: ` Default: YYYY‐MM‐DDThh:mm:ss{(.|,)s+}{(+|‐)hh{:}mm|Z} Basic: YYYYMMDDThhmmss{(.|,)s+}{(+|‐)hh{:}mm|Z} ` _Exactly_ `string.length()` characters are parsed; parsing will fail if a proper prefix of `string` matches the expected format, but the entire `string.length()` characters do not. If an optional fractional second having more than six digits is present in `string`, it is rounded to the nearest value in microseconds. If the optional zone designator is present in the `string`, the input is parsed as a `DatetimeTz` value, and as a `Datetime` value otherwise. If a leap second is detected (i.e., the parsed value of the `second` attribute is 60; see {Leap Seconds}), the `second` attribute is taken to be 59, then an additional second is added to `result` at the end. If the "hh:mm:ss" portion of `string` is "24:00:00", then the fractional second must be absent or 0, and the zone designator must be absent or indicate UTC. The behavior is undefined unless `string.data()` is non‐null.

== Synopsis

Declared in `<bdlt_iso8601util.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
int
parse(
    xref:BloombergLP/bdlt/Iso8601Util/DatetimeOrDatetimeTz.adoc[DatetimeOrDatetimeTz]* result,
    std::string_view const& string,
    xref:BloombergLP/bdlt/Iso8601Util/ParseConfiguration.adoc[ParseConfiguration] configuration = ParseConfiguration());
----


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