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| author | Magnus Lång <[email protected]> | 2016-04-19 15:02:17 +0200 |
|---|---|---|
| committer | Hans Bolinder <[email protected]> | 2016-04-28 16:16:10 +0200 |
| commit | 29253c06dd99717e8424c0418144fd95d232c38d (patch) | |
| tree | ff4f7a891ba26d05a8479936a073610cbf8cb760 /HOWTO | |
| parent | d2ba8674603bc4ef210ec91e6f51924f7efe8c2e (diff) | |
| download | otp-29253c06dd99717e8424c0418144fd95d232c38d.tar.gz otp-29253c06dd99717e8424c0418144fd95d232c38d.tar.bz2 otp-29253c06dd99717e8424c0418144fd95d232c38d.zip | |
erl_types: Fix t_subtract/2 correctness bug
t_subtract/2 would break its postcondition by always returning the
underapproximation none() when given a variable on the right hand side.
This broke map type parsing, since it relied on t_subtract/2 to tell it
when map keys would shadow each other.
Diffstat (limited to 'HOWTO')
0 files changed, 0 insertions, 0 deletions