[Article] Monkey Patching is not too bad - `collect_traces` example

article-monkey_patching_is_not_too_bad-collect_traces_example.py

from returns.result import Failure, Result
from returns.primitives.tracing import collect_traces

@collect_traces
def get_failure(argument: str) -> Result[str, str]:
    return Failure(argument)

failure = get_failure('example')

for trace_line in failure.trace:
    print(f"{trace_line.filename}:{trace_line.lineno} in `{trace_line.function}`")