Generate Gleam

Gleam code generator in Gleam.

See test/codegen_test.gleam for examples of usage.

Maturity

Not generally usable.

Yet, used this code (with a few usages of direct(String)) to generate Gleam Code to solve the Dec 19, 2023 puzzles of Advent of Code, some 3000 resp. 4000 lines of Gleam for the 523 rules in my input.