Hy中的字典合并
Dictionary merging in Hy
如果我有两个词典,并且想合并它们,优先考虑冲突的键,我会在 Python:
中做
In [1]: x = {'a': 1, 'b': 2}
In [2]: y = {'b': 3, 'c': 4}
In [3]: {**x, **y}
Out[3]: {'a': 1, 'b': 3, 'c': 4}
如何用 Hy 语法编写这个表达式?
字典拆包操作符为unpack-mapping
,简称#**
=> (setv x {"a" 1 "b" 2})
=> (setv y {"b" 3 "c" 4})
=> {#** x #** y}
{"a" 1 "b" 3 "c" 4}
如果我有两个词典,并且想合并它们,优先考虑冲突的键,我会在 Python:
中做In [1]: x = {'a': 1, 'b': 2}
In [2]: y = {'b': 3, 'c': 4}
In [3]: {**x, **y}
Out[3]: {'a': 1, 'b': 3, 'c': 4}
如何用 Hy 语法编写这个表达式?
字典拆包操作符为unpack-mapping
,简称#**
=> (setv x {"a" 1 "b" 2})
=> (setv y {"b" 3 "c" 4})
=> {#** x #** y}
{"a" 1 "b" 3 "c" 4}