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Sungkeun Cho 724fbc4ad6 [pulse] Revise semantics of TextUtils.is_empty ... Summary: There are two changes: 1/ Fix incorrect merge of two cases (empty and not-empty) ``` let<*> astate_equal_zero = ... in let<*> astate_not_zero = ... in [Ok (ContinueProgram astate_equal_zero); Ok (ContinueProgram astate_not_zero)] ``` This was an incorrect merge, because if there is an error in the former case `astate_equal_zero`, it doesn't even evaluate the latter case `astate_not_zero`. 2/ Cover all cases precisely. There are actually three cases to cover: * `TextUtils.is_empty(null) = true` * `TextUtils.is_empty("") = true` * `TextUtils.is_empty("abc") = false` However, in the previous model, it missed the second case. Reviewed By: jvillard Differential Revision: D29393579 fbshipit-source-id: e59d9a60d		3 years ago
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c	[pulse][isl] support dynamic-type for subseteq-checking	3 years ago
c_cpp/pulse	[pulse] Loosen fieldname comparison in state	4 years ago
cpp	[pulse] Add semantic models for C++ string length	3 years ago
dotnet	Infer# integration (#1361)	4 years ago
java	[pulse] Revise semantics of TextUtils.is_empty	3 years ago
objc	[pulse][5/5] timestamps for MustBeInitialized	4 years ago
objcpp	[pulse][objcpp][nullptr] An example of false positive	4 years ago