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authorGuilherme Andrade <[email protected]>2018-01-01 17:48:09 +0000
committerHans Bolinder <[email protected]>2018-01-09 14:18:30 +0100
commit21214178d05ffa482d7377a22285b38834566d2c (patch)
tree61a470edf6c6ec3578412ba176f9cb78e111f189 /lib/dialyzer/test
parent276117e6322bb7cc299c9e22beec0016a32f7806 (diff)
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Fix false Dialyzer warnings for erl_tar:table/1
'tar_entry()' values are only returned if we specify the 'verbose' option when calling table/2, which table/1 doesn't do. Now, it appears that Dialyzer as of OTP 20 is clever enough to realize that the return type of table/1 must intersect with the return type of table/2, and so it ignores the fact that table/1 says it returns strings, and therefore its callers are expected to be dealing with 'tar_entry()' tuples, and never with strings. This is obviously a mismatch between what the code does and what the spec says is does, leading to false Dialyzer warnings on code that uses table/1 (and, presumably, also table/2 when called without the 'verbose' option.)
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