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如何在YAML中使用列表鍵編寫Ruby哈希?

[英]How to write Ruby hash with list keys in YAML?

說我有:

h = {}
h[["one", "two"]] = "three"
# h = {["one", "two"]=>"three"}

如何在YAML中表示上述哈希,以便YAML.load_file('that_file')正確加載h哈希?

您可以使用to_yaml方法預覽:

h = {}
h[["one", "two"]] = "three"
h.to_yaml
# => "---\n? - one\n  - two\n: three\n" 

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