| Age | Commit message (Expand) | Author |
| 2026-01-19 | add error type | Felix Perktold |
| 2026-01-18 | factor out basic standard procedures (+, -, cons, car...) into separate module | Felix Perktold |
| 2026-01-18 | start writing psql module, start writing exercise 1 with that module, small h... | Felix Perktold |
| 2026-01-18 | renamed builtins to procedures | Felix Perktold |
| 2026-01-18 | add module system to load .so with load_module builtin | Felix Perktold |
| 2026-01-18 | refactor lisp.h into public lisp_api.h and internal lisp.h | Felix Perktold |
| 2026-01-13 | added some lisp functions | Felix Perktold |
| 2025-12-23 | support partial function application and over-application chaining | Felix Perktold |
| 2025-12-23 | fix tests, fix empty input behavior | Felix Perktold |
| 2025-12-23 | rename eq? to equal?, fix syntax error on empty newline | Felix Perktold |
| 2025-12-23 | fix redefinition of symbols in env, cleanup | Felix Perktold |
| 2025-12-22 | improve symbol not found handling (copy pasteable quoting), use head_eval in ... | Felix Perktold |
| 2025-12-22 | fix evaluation of lists (recursively eval all elems of list) | Felix Perktold |
| 2025-12-22 | refactor apply / eval, add reverse builtin | Felix Perktold |
| 2025-12-22 | tweaks | Felix Perktold |
| 2025-12-22 | add eq?, make make_nil() function singleton | Felix Perktold |
| 2025-12-21 | fix bug in apply, improve printing | Felix Perktold |
| 2025-12-21 | more pretty printing | Felix Perktold |
| 2025-12-21 | improve car, cadr error handling | Felix Perktold |
| 2025-12-21 | add builtins, add pretty printing for lists, fix erroneous symbol x not found... | Felix Perktold |
| 2025-12-21 | renamed enum values VALTYPE->VT, implemented lambdas, apply | Felix Perktold |
| 2025-12-21 | add tests | Felix Perktold |
| 2025-12-21 | start implementing eval | Felix Perktold |
| 2025-12-21 | add environments for symbol definition/lookup | Felix Perktold |
| 2025-12-20 | cleanup | Felix Perktold |
| 2025-12-20 | init commit | Felix Perktold |