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2020 Jul 22
3
Invisible names problem
I ran into strange behavior when removing names. Two ways of removing names: i <- rep(1:4, length.out=20000) k <- c(a=1, b=2, c=3, d=4) x1 <- unname(k[i]) x2 <- k[i] x2 <- unname(x2) Are they identical? identical(x1,x2) # TRUE but no identical(serialize(x1,NULL),serialize(x2,NULL)) # FALSE But problem is with serialization type 3, cause:
2020 Jul 22
0
Invisible names problem
...814),LCK,gp=0x6000] "names" (has value) @10a4e4000 16 STRSXP g0c7 [REF(1)] (len=20000, tl=0) @7fa24ba575c8 09 CHARSXP g0c1 [MARK,REF(35005),gp=0x61] [ASCII] [cached] "a" @7fa24be24428 09 CHARSXP g0c1 [MARK,REF(35010),gp=0x61] [ASCII] [cached] "b" @7fa24b806ec0 09 CHARSXP g0c1 [MARK,REF(35082),gp=0x61] [ASCII] [cached] "c" @7fa24bcc6af0 09 CHARSXP g0c1 [MARK,REF(35003),gp=0x61] [ASCII] [cached] "d" @7fa24ba575c8 09 CHARSXP g0c1 [MARK,REF(35005),gp=0x61] [ASCII] [cached] "a" ... > .Internal(inspect(unname...