找到元素后如何增加块元素?

Ter*_*non 0 red

给定 player-choices: ["rock" 0 "paper" 0 "scissors" 0]

"paper"在该块之后,如何通过搜索增加值"paper"

sql*_*lab 5

>> player-choices/("paper"): player-choices/("paper") + 1
== 1
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