{"defs":[{"ctors":[{"fields":[{"k":"var","name":"a"}],"name":"MkBox"}],"kind":"type","name":"Box","vars":["a"]},{"body":{"body":{"arms":[{"body":{"lit":{"kind":"int","value":42},"t":"lit"},"pat":{"ctor":"MkBox","fields":[{"p":"wild"}],"p":"ctor"}}],"scrutinee":{"name":"b","t":"var"},"t":"match"},"name":"b","t":"let","value":{"args":[{"name":"n","t":"var"}],"ctor":"MkBox","t":"ctor","type":"Box"}},"doc":"Build a Box(n), discard the payload, return 42. The Box is non-escaping.","kind":"fn","name":"peek","params":["n"],"type":{"effects":[],"k":"fn","params":[{"k":"con","name":"Int"}],"ret":{"k":"con","name":"Int"}}},{"body":{"cond":{"args":[{"name":"n","t":"var"},{"lit":{"kind":"int","value":0},"t":"lit"}],"fn":{"name":"<=","t":"var"},"t":"app"},"else":{"body":{"arms":[{"body":{"args":[{"lit":{"kind":"int","value":1},"t":"lit"},{"args":[{"args":[{"name":"n","t":"var"},{"lit":{"kind":"int","value":1},"t":"lit"}],"fn":{"name":"-","t":"var"},"t":"app"}],"fn":{"name":"count","t":"var"},"t":"app"}],"fn":{"name":"+","t":"var"},"t":"app"},"pat":{"ctor":"MkBox","fields":[{"p":"wild"}],"p":"ctor"}}],"scrutinee":{"name":"b","t":"var"},"t":"match"},"name":"b","t":"let","value":{"args":[{"name":"n","t":"var"}],"ctor":"MkBox","t":"ctor","type":"Box"}},"t":"if","then":{"lit":{"kind":"int","value":0},"t":"lit"}},"doc":"Recurse n times; each call builds a temporary Box, discards its payload via _, and returns 0 if n<=0, else 1 + count(n-1).","kind":"fn","name":"count","params":["n"],"type":{"effects":[],"k":"fn","params":[{"k":"con","name":"Int"}],"ret":{"k":"con","name":"Int"}}},{"body":{"lhs":{"args":[{"args":[{"lit":{"kind":"int","value":0},"t":"lit"}],"fn":{"name":"peek","t":"var"},"t":"app"}],"op":"io/print_int","t":"do"},"rhs":{"lhs":{"args":[{"args":[{"lit":{"kind":"int","value":123},"t":"lit"}],"fn":{"name":"peek","t":"var"},"t":"app"}],"op":"io/print_int","t":"do"},"rhs":{"lhs":{"args":[{"args":[{"lit":{"kind":"int","value":5},"t":"lit"}],"fn":{"name":"count","t":"var"},"t":"app"}],"op":"io/print_int","t":"do"},"rhs":{"args":[{"args":[{"lit":{"kind":"int","value":0},"t":"lit"}],"fn":{"name":"count","t":"var"},"t":"app"}],"op":"io/print_int","t":"do"},"t":"seq"},"t":"seq"},"t":"seq"},"kind":"fn","name":"main","params":[],"type":{"effects":["IO"],"k":"fn","params":[],"ret":{"k":"con","name":"Unit"}}}],"imports":[],"name":"escape_local_demo","schema":"ailang/v0"}