将成对的列表收集到地图中 [英] Collect a list of pairs into a map

问题描述

我们如何将值对列表的列表收集到映射中，其中将所述对转换为映射中的key:value项，如:

How can we collect a list of lists of value pairs into a map where said pairs are transformed into key:value entries in the map, as in:

a = [[1,11], [2,22], [3,33]]
b = ...?
assert b == [1:11, 2:22, 3:33]

推荐答案

因为

Because collectEntries works with a pair list, you can just do

def b = a.collectEntries()

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