I can reproduce this, but only with with JSON::PP. With JSON::XS, it works like a charm:

PERL_JSON_BACKEND=JSON::PP perl -MData::Dump=dump -MJSON -E 'my $json = JSON->new;@foo=$json->incr_parse(q!{"check_result!); $bar=$json->incr_parse(q!" : "ok"}!); dump $bar'

Output: unexpected end of string while parsing JSON string, at character offset 14 (before "(end of string)") at -e line 1.

PERL_JSON_BACKEND=JSON::XS perl -MData::Dump=dump -MJSON -E 'my $json = JSON->new;@foo=$json->incr_parse(q!{"check_result!); $bar=$json->incr_parse(q!" : "ok"}!); dump $bar

Output: { check_result => "ok" }

In reply to Re^3: Parsing JSON out of an incremental stream by haj
in thread Parsing JSON out of an incremental stream by Sec

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