I’ve already implemented that as an operator. When debugging is set to active it prints the generated code.
iex(43)> import DarkKernel
DarkKernel
iex(44)> ~k[a, b, c] <~ [b: 1, c: 2, a: 3]
[a: 3, b: 1, c: 2]
iex(45)>
18:32:00.996 [debug] iex:44
┌────────────────────────────────────────────────────────────────────────────────────────────────────
│ ⤷ Code:
├╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶
│ ~k[a, b, c] <~ [b: 1, c: 2, a: 3]
├────────────────────────────────────────────────────────────────────────────────────────────────────
│ ⤷ Generated code:
├╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶
│ constant_kw_list = [b: 1, c: 2, a: 3]
│ a = Keyword.get(constant_kw_list, :a, nil)
│ b = Keyword.get(constant_kw_list, :b, nil)
│ c = Keyword.get(constant_kw_list, :c, nil)
│ [a: a, b: b, c: c]
├────────────────────────────────────────────────────────────────────────────────────────────────────
│ ⤷ Generated AST:
├╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶╶
│ {:__block__, [],
│ [
│ {:=, [],
│ [
│ {:constant_kw_list, [counter: -576460752303417279],
│ DarkKernel.DarkKeywords},
│ [b: 1, c: 2, a: 3]
│ ]},
│ {:=, [],
│ [
│ {:a, [], nil},
│ {{:., [], [{:__aliases__, [alias: false], [:Keyword]}, :get]}, [],
│ [
│ {:constant_kw_list, [counter: -576460752303417279],
│ DarkKernel.DarkKeywords},
│ :a,
│ nil
│ ]}
│ ]},
│ {:=, [],
│ [
│ {:b, [], nil},
│ {{:., [], [{:__aliases__, [alias: false], [:Keyword]}, :get]}, [],
│ [
│ {:constant_kw_list, [counter: -576460752303417279],
│ DarkKernel.DarkKeywords},
│ :b,
│ nil
│ ]}
│ ]},
│ {:=, [],
│ [
│ {:c, [], nil},
│ {{:., [], [{:__aliases__, [alias: false], [:Keyword]}, :get]}, [],
│ [
│ {:constant_kw_list, [counter: -576460752303417279],
│ DarkKernel.DarkKeywords},
│ :c,
│ nil
│ ]}
│ ]},
│ [a: {:a, [], nil}, b: {:b, [], nil}, c: {:c, [], nil}]
│ ]}
└────────────────────────────────────────────────────────────────────────────────────────────────────
nil
iex(46)> a
3
iex(47)> b
1
iex(48)> c
2
iex(49)>