Posts tagged "compiler internals"

Rust 1.97 made v0 symbol mangling the stable default. Compare real nm output, read the encoding, and know what changes for profilers, debuggers, and ABI boundaries.

A practical model of rustc queries, providers, memoization, dependency tracking, cycles, and red-green incremental reuse.

Trace go to definition from a cursor token through syntax, macro expansion, name resolution, semantic identity, and finally back to an editable source range.

Rust identifiers carry syntax context as well as text. Learn macro_rules hygiene, $crate paths, and procedural-macro spans for reliable expansion.

Rust async functions store every value needed after an await. Learn to measure future size, identify saved fields, and reduce it without boxing everything.