Maps in C++ (std::map and std::unordered_map)
Channel: The Cherno
Category: Education
Tags: game enginegame engine seriesc++mapsunordered_mapstd::unordered_mapthechernoprojectchernothechernogame developmentstd::mapgamedevhash mapc++ tutorialhashmapprogramminglearn c++
Description: For all your web hosting needs (use coupon code CHERNO for a discount) ► hostinger.com/cherno Patreon ► patreon.com/thecherno Instagram ► instagram.com/thecherno Twitter ► twitter.com/thecherno Discord ► discord.gg/thecherno My C++ series ► youtube.com/playlist?list=PLlrATfBNZ98dudnM48yfGUldqGD0S4FFb Chapters: ---------------- 0:00 - What are maps? 3:40 - Why use maps + example usage 9:30 - Writing a hash function to use a custom type 16:50 - The [] operator 19:00 - The .at() function 20:40 - How to check if key exists in map 21:11 - How to iterate through maps 24:47 - How to remove entries from maps 25:03 - Writing a less-than operator for custom types 28:05 - Performance and which map to use This video is sponsored by Hostinger.
