Crate tcping 

Library facade - re-export internal modules so integration tests or external code can use tcping::....

Modules

cli

Argument parsing layer (clap).

engine

Orchestrator: resolve targets, run fixed-interval probes, and emit formatted output.

error

Common error wrapper.

formatter

Pluggable output layer.

probe

Blocking TCP connect wrapped in spawn_blocking for stable RTT.

stats

Runtime statistics and data structures.