TypedKey< TReturn, TKey > Struct Template Reference

#include <DataUtils.h>

Detailed Description

template<typename TReturn, typename TKey>
struct Euclid::Fits::TypedKey< TReturn, TKey >

A light structure to bind a return type and a key, e.g. for reading records and columns.

Template Parameters

TReturn	The desired return type
TKey	The key type, typically std::string or long

TypedKeys should not be instantiated directly. Instead maker as() should be used for clarity, e.g.:

// Ugly
header.parse_n(TypedKey<float, std::string>("A"), TypedKey<int, std::string>("B"));
 
// Clean
header.parse_n(as<float>("A"), as<int>("B"));

Public Types
using	Key = TKey
	The key type.
using	Return = TReturn
	The return type.

Public Member Functions
	TypedKey (TKey k)
	Constructor. More...

Public Attributes
TKey	key
	The key.

Related Functions
(Note that these are not member functions.)
template<typename TReturn >
TypedKey< TReturn, std::string >	as (const char *key)
template<typename TReturn >
TypedKey< TReturn, std::string >	as (const std::string &key)
template<typename TReturn >
TypedKey< TReturn, long >	as (int key)
template<typename TReturn >
TypedKey< TReturn, long >	as (long key)
	Create a TypedKey where the key type is deduced from the parameter. More...

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The documentation for this struct was generated from the following file:

• EleFitsData/EleFitsData/DataUtils.h