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author | Vincent Ambo <mail@tazj.in> | 2022-10-22T13·51+0300 |
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committer | tazjin <tazjin@tvl.su> | 2022-10-23T15·50+0000 |
commit | 60f24c3c53eae116bb3051f02f05b74a8ecf37af (patch) | |
tree | 794d987b22303cfbbb1dd8d251e81ab15d67ad68 /third_party | |
parent | 4ff06ba67dbe5397a97c2bae78e25d0ab8c026a3 (diff) |
fix(tvix/eval): detect cycles when printing infinite values r/5178
Using the same method as in Thunk::deep_force, detect cycles when printing values by maintaining a set of already seen thunks. With this, display of infinite values matches that of Nix: > nix-instantiate --eval --strict -E 'let as = { x = 123; y = as; }; in as' { x = 123; y = { x = 123; y = <CYCLE>; }; } > tvix-eval -E 'let as = { x = 123; y = as; }; in as' => { x = 123; y = { x = 123; y = <CYCLE>; }; } :: set Change-Id: I007b918d5131d82c28884e46e46ff365ef691aa8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7056 Tested-by: BuildkiteCI Reviewed-by: grfn <grfn@gws.fyi>
Diffstat (limited to 'third_party')
0 files changed, 0 insertions, 0 deletions