BootstrappingCaseStudies

Rust: first compiler written in OCaml; then bootstrapped in Rust
Go: first compiler written in C; then bootstrapped in Go
- the Go C compilers in C weren't written written from scratch; they were derived from Ken Thompson's C compilers for Plan 9
- Used c2go and grind tool to convert C to Go
D: C++ to D (only recently)
Perl 6: Uses the Perl 6 subset NQP (Not Quite Perl)
CoffeeScript: Ruby; then bootstrapped CoffeeScript
TypeScript: currently written in TypeScript; not sure what it started with
tinypy: parser is written in Python. Bootstrapped with CPython.

Not Bootstrapped