advent_of_code_day_2.py

# Part 1 solution
import gamla

with open(filename, "r") as f:
    result = gamla.pipe(
        f.readlines(),
        gamla.map(str.strip),
        gamla.map(gamla.split_text(" ")),
        gamla.bifurcate(
            gamla.filter(gamla.inside("forward")),
            gamla.filter(gamla.inside("down")),
            gamla.filter(gamla.inside("up")),
        ),
        gamla.map(gamla.map(gamla.compose_left(gamla.second, int))),
        gamla.map(sum),
        list,
        gamla.star(lambda forward, down, up: forward * (down - up)),
    )

print(result)