{"defs":[{"body":{"arms":[{"body":{"args":[{"name":"l","t":"var"},{"args":[{"name":"t","t":"var"}],"fn":{"name":"lefts","t":"var"},"t":"app"}],"ctor":"Cons","t":"ctor","type":"std_list.List"},"pat":{"ctor":"Cons","fields":[{"ctor":"Left","fields":[{"name":"l","p":"var"}],"p":"ctor"},{"name":"t","p":"var"}],"p":"ctor"}},{"body":{"args":[{"name":"t","t":"var"}],"fn":{"name":"lefts","t":"var"},"t":"app"},"pat":{"ctor":"Cons","fields":[{"ctor":"Right","fields":[{"p":"wild"}],"p":"ctor"},{"name":"t","p":"var"}],"p":"ctor"}},{"body":{"args":[],"ctor":"Nil","t":"ctor","type":"std_list.List"},"pat":{"p":"wild"}}],"scrutinee":{"name":"xs","t":"var"},"t":"match"},"doc":"Project the Left payloads of a list of Eithers into a List. Order-preserving. Uses the 16a nested-Ctor pattern to inline the inner Either dispatch within each Cons arm; the trailing wildcard arm seals the desugar's fall-through chain into a List rather than the synthetic Unit fallback.","kind":"fn","name":"lefts","params":["xs"],"type":{"body":{"effects":[],"k":"fn","params":[{"args":[{"args":[{"k":"var","name":"e"},{"k":"var","name":"a"}],"k":"con","name":"std_either.Either"}],"k":"con","name":"std_list.List"}],"ret":{"args":[{"k":"var","name":"e"}],"k":"con","name":"std_list.List"}},"k":"forall","vars":["e","a"]}},{"body":{"arms":[{"body":{"args":[{"name":"t","t":"var"}],"fn":{"name":"rights","t":"var"},"t":"app"},"pat":{"ctor":"Cons","fields":[{"ctor":"Left","fields":[{"p":"wild"}],"p":"ctor"},{"name":"t","p":"var"}],"p":"ctor"}},{"body":{"args":[{"name":"r","t":"var"},{"args":[{"name":"t","t":"var"}],"fn":{"name":"rights","t":"var"},"t":"app"}],"ctor":"Cons","t":"ctor","type":"std_list.List"},"pat":{"ctor":"Cons","fields":[{"ctor":"Right","fields":[{"name":"r","p":"var"}],"p":"ctor"},{"name":"t","p":"var"}],"p":"ctor"}},{"body":{"args":[],"ctor":"Nil","t":"ctor","type":"std_list.List"},"pat":{"p":"wild"}}],"scrutinee":{"name":"xs","t":"var"},"t":"match"},"doc":"Project the Right payloads of a list of Eithers into a List. Symmetric to lefts; same nested-Ctor + wildcard-tail pattern shape.","kind":"fn","name":"rights","params":["xs"],"type":{"body":{"effects":[],"k":"fn","params":[{"args":[{"args":[{"k":"var","name":"e"},{"k":"var","name":"a"}],"k":"con","name":"std_either.Either"}],"k":"con","name":"std_list.List"}],"ret":{"args":[{"k":"var","name":"a"}],"k":"con","name":"std_list.List"}},"k":"forall","vars":["e","a"]}},{"body":{"arms":[{"body":{"args":[{"args":[],"ctor":"Nil","t":"ctor","type":"std_list.List"},{"args":[],"ctor":"Nil","t":"ctor","type":"std_list.List"}],"ctor":"MkPair","t":"ctor","type":"std_pair.Pair"},"pat":{"ctor":"Nil","fields":[],"p":"ctor"}},{"body":{"body":{"arms":[{"body":{"args":[{"args":[{"name":"l","t":"var"},{"args":[{"name":"rest","t":"var"}],"fn":{"name":"std_pair.fst","t":"var"},"t":"app"}],"ctor":"Cons","t":"ctor","type":"std_list.List"},{"args":[{"name":"rest","t":"var"}],"fn":{"name":"std_pair.snd","t":"var"},"t":"app"}],"ctor":"MkPair","t":"ctor","type":"std_pair.Pair"},"pat":{"ctor":"Left","fields":[{"name":"l","p":"var"}],"p":"ctor"}},{"body":{"args":[{"args":[{"name":"rest","t":"var"}],"fn":{"name":"std_pair.fst","t":"var"},"t":"app"},{"args":[{"name":"r","t":"var"},{"args":[{"name":"rest","t":"var"}],"fn":{"name":"std_pair.snd","t":"var"},"t":"app"}],"ctor":"Cons","t":"ctor","type":"std_list.List"}],"ctor":"MkPair","t":"ctor","type":"std_pair.Pair"},"pat":{"ctor":"Right","fields":[{"name":"r","p":"var"}],"p":"ctor"}}],"scrutinee":{"name":"h","t":"var"},"t":"match"},"name":"rest","t":"let","value":{"args":[{"name":"t","t":"var"}],"fn":{"name":"partition_eithers","t":"var"},"t":"app"}},"pat":{"ctor":"Cons","fields":[{"name":"h","p":"var"},{"name":"t","p":"var"}],"p":"ctor"}}],"scrutinee":{"name":"xs","t":"var"},"t":"match"},"doc":"Partition a list of Eithers into a Pair, List>: lefts on the left, rights on the right. Single pass via direct recursion; head dispatch is a flat match on the recursive result's projections.","kind":"fn","name":"partition_eithers","params":["xs"],"type":{"body":{"effects":[],"k":"fn","params":[{"args":[{"args":[{"k":"var","name":"e"},{"k":"var","name":"a"}],"k":"con","name":"std_either.Either"}],"k":"con","name":"std_list.List"}],"ret":{"args":[{"args":[{"k":"var","name":"e"}],"k":"con","name":"std_list.List"},{"args":[{"k":"var","name":"a"}],"k":"con","name":"std_list.List"}],"k":"con","name":"std_pair.Pair"}},"k":"forall","vars":["e","a"]}}],"imports":[{"module":"std_list"},{"module":"std_either"},{"module":"std_pair"}],"name":"std_either_list","schema":"ailang/v0"}