Module file 

Functions

count_lines

Counts the lines in text.

read_json

Reads a single JSON document and returns it wrapped in a one-element Vec.

read_jsonl

Reads a JSONL file and returns one Value per non-empty line.

save_json_pretty

Serializes value as pretty-printed JSON and writes it to path.

write_json_atomic

Serializes value as compact JSON and writes it to path atomically.

write_json_atomic_pretty

Like write_json_atomic but pretty-prints the JSON.

write_string_atomic

Writes contents to path atomically (temp file in the same dir, fsync, rename), so a concurrent reader never observes a partial file.