Syntalos::MetaStringMap

Syntalos::MetaStringMap

Mapping of values used for stream metadata.

#include <streammeta.h>

Inherits from std::map< std::string, MetaValue >

Public Functions

Public Functions Documentation

function value

inline auto value(
    const std::string & key
) const

Retrieves the value associated with the specified key in the map.

Parameters:

• key The string key to search for in the map.

Return: A constant reference to an optional containing the value associated with the key if found, or std::nullopt if the key is not present.

function valueOr

inline const MetaValue & valueOr(
    const std::string & key,
    const MetaValue & fallback
) const

Retrieves the value associated with the specified key or returns a fallback value.

Parameters:

• key The string key to search for in the map.
• fallback The value to return if the key is not present in the map.

Return: A reference to the value associated with the key if found; otherwise, a reference to the fallback value.

If the key is found, the corresponding value is returned. If the key is not found, the provided fallback value is returned instead.

function value

template <typename T >
std::optional< T > value(
    const std::string & key
) const

Retrieves the value associated with the specified key or returns a fallback value.

function valueOr

template <typename T >
T valueOr(
    const std::string & key,
    T fallback
) const

Retrieves the value associated with the specified key or returns a fallback value.

Updated on 2026-04-20 at 00:59:18 +0000