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[程序员] 这样子写代码有什么好处?

发表于

ansible 的源代码(lib/ansible/config/manager.py) 第 283 行,我好奇这样写有啥好处?是为了更强的表达能力吗? 少写代码为了更强的表达能力?

def _add_base_defs_deprecations(base_defs):
    '''Add deprecation source 'ansible.builtin' to deprecations in base.yml'''
    def process(entry):
        if 'deprecated' in entry:
            entry['deprecated']['collection_name'] = 'ansible.builtin'

    for dummy, data in base_defs.items():
        process(data)
        for section in ('ini', 'env', 'vars'):
            if section in data:
                for entry in data[section]:
                    process(entry)
                    

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