R Under development (unstable) (2026-09-12 r90532) -- "Unsuffered Consequences"
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> pkgname <- "janssonr"
> source(file.path(R.home("share"), "R", "examples-header.R"))
> options(warn = 1)
> library('janssonr')
> 
> base::assign(".oldSearch", base::search(), pos = 'CheckExEnv')
> base::assign(".old_wd", base::getwd(), pos = 'CheckExEnv')
> cleanEx()
> nameEx("from_json")
> ### * from_json
> 
> flush(stderr()); flush(stdout())
> 
> ### Name: from_json
> ### Title: Parse JSON strictly
> ### Aliases: from_json
> 
> ### ** Examples
> 
> from_json('{"a": 1, "b": [true, null]}')
jansson/hashtable.c:217:14: runtime error: index 1 out of bounds for type 'char [1]'
    #0 0x7b00d0531059 in init_pair jansson/hashtable.c:217
    #1 0x7b00d0531059 in hashtable_set jansson/hashtable.c:247
    #2 0x7b00d05321e1 in json_object_setn_new_nocheck jansson/value.c:140
    #3 0x7b00d0539b74 in parse_object jansson/load.c:717
    #4 0x7b00d0539b74 in parse_value jansson/load.c:831
    #5 0x7b00d053a826 in parse_json jansson/load.c:867
    #6 0x7b00d053aebc in json_loadb jansson/load.c:966
    #7 0x7b00d0507b5e in jr_parse /data/localhost/ripley/R/packages/tests-gcc-SAN/janssonr/src/decode.c:209
    #8 0x00000075ca18 in R_doDotCall /data/localhost/ripley/R/svn/R-devel/src/main/dotcode.c:754
    #9 0x0000009008d7 in bcEval_loop /data/localhost/ripley/R/svn/R-devel/src/main/eval.c:8704
    #10 0x0000008d7c8b in bcEval /data/localhost/ripley/R/svn/R-devel/src/main/eval.c:7533
    #11 0x000000877eba in Rf_eval /data/localhost/ripley/R/svn/R-devel/src/main/eval.c:1167
    #12 0x00000088e6ca in R_execClosure /data/localhost/ripley/R/svn/R-devel/src/main/eval.c:2398
    #13 0x0000008923cd in applyClosure_core /data/localhost/ripley/R/svn/R-devel/src/main/eval.c:2314
    #14 0x000000878568 in Rf_applyClosure /data/localhost/ripley/R/svn/R-devel/src/main/eval.c:2333
    #15 0x000000878568 in Rf_eval /data/localhost/ripley/R/svn/R-devel/src/main/eval.c:1278
    #16 0x000000a20e78 in Rf_ReplIteration /data/localhost/ripley/R/svn/R-devel/src/main/main.c:264
    #17 0x000000a20e78 in R_ReplConsole /data/localhost/ripley/R/svn/R-devel/src/main/main.c:319
    #18 0x000000a3eb3a in run_Rmainloop /data/localhost/ripley/R/svn/R-devel/src/main/main.c:1239
    #19 0x000000a3ebd2 in Rf_mainloop /data/localhost/ripley/R/svn/R-devel/src/main/main.c:1246
    #20 0x00000041209f in main /data/localhost/ripley/R/svn/R-devel/src/main/Rmain.c:29
    #21 0x7f00d760a680 in __libc_start_call_main (/lib64/libc.so.6+0x3680) (BuildId: 5bd941be836f538fe5e10eff508f7f5dd94905a6)
    #22 0x7f00d760a797 in __libc_start_main@GLIBC_2.2.5 (/lib64/libc.so.6+0x3797) (BuildId: 5bd941be836f538fe5e10eff508f7f5dd94905a6)
    #23 0x000000412a64 in _start (/data/localhost/ripley/R/gcc-SAN3/bin/exec/R+0x412a64) (BuildId: 072b35eb56db30f90eaaf0fbe30938156dac663c)

$a
[1] 1

$b
$b[[1]]
[1] TRUE

$b[[2]]
NULL


> from_json("[1, 2, 3]")
[[1]]
[1] 1

[[2]]
[1] 2

[[3]]
[1] 3

> 
> 
> 
> cleanEx()
> nameEx("to_json")
> ### * to_json
> 
> flush(stderr()); flush(stdout())
> 
> ### Name: to_json
> ### Title: Serialize to JSON strictly
> ### Aliases: to_json
> 
> ### ** Examples
> 
> to_json(list(a = 1L, b = list(TRUE, NULL)))
[1] "{\"a\":1,\"b\":[true,null]}"
> to_json(list())
[1] "[]"
> to_json(structure(list(), names = character(0)))
[1] "{}"
> 
> 
> 
> ### * <FOOTER>
> ###
> cleanEx()
> options(digits = 7L)
> base::cat("Time elapsed: ", proc.time() - base::get("ptime", pos = 'CheckExEnv'),"\n")
Time elapsed:  0.462 0.047 1.031 0 0 
> grDevices::dev.off()
null device 
          1 
> ###
> ### Local variables: ***
> ### mode: outline-minor ***
> ### outline-regexp: "\\(> \\)?### [*]+" ***
> ### End: ***
> quit('no')