The plain-English version
Rules governing how compiled components exchange calls and data at the binary level.
Why it matters
It affects whether separately built libraries can work together.
Let’s make it click
A program loads a native library built for its platform and expected calling convention.
Vibe Bro’s heads-up
A source-compatible change can still break binary compatibility; track platform, architecture, compiler, and library contract requirements.
The docs behind it
Documentation links checked .
Editorial review · October 28, 2026
Supported: ABI description matches the Rust reference's low-level argument/return/stack calling convention discussion.