#include "optional.h"

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Functions
template<typename map_like_collectiont , typename keyt >
auto	optional_lookup (const map_like_collectiont &map, const keyt &key) -> optionalt< decltype(map.find(key) ->second)>
	Lookup a key in a map, if found return the associated value, nullopt otherwise. More...

Function Documentation

◆ optional_lookup()

template<typename map_like_collectiont , typename keyt >

auto optional_lookup	(	const map_like_collectiont &	map,
		const keyt &	key
	)		-> optionalt<decltype(map.find(key)->second)>

Lookup a key in a map, if found return the associated value, nullopt otherwise.

Definition at line 17 of file optional_utils.h.