Files
cpl/example/custom/query/main.py
2025-09-24 19:09:11 +02:00

50 lines
1.7 KiB
Python

from cpl.core.console import Console
from cpl.core.utils.benchmark import Benchmark
from cpl.query.collection import Collection
from cpl.query.enumerable import Enumerable
from cpl.query.list import List
from cpl.query.immutable_list import ImmutableList
from cpl.query.set import Set
def _default():
Console.write_line(Enumerable.empty().to_list())
Console.write_line(Enumerable.range(0, 100).length)
Console.write_line(Enumerable.range(0, 100).to_list())
Console.write_line(Enumerable.range(0, 100).where(lambda x: x % 2 == 0).length)
Console.write_line(
Enumerable.range(0, 100).where(lambda x: x % 2 == 0).to_list().select(lambda x: str(x)).to_list()
)
Console.write_line(List)
s =Enumerable.range(0, 10).to_set()
Console.write_line(s)
s.add(1)
Console.write_line(s)
def t_benchmark(data: list):
Benchmark.all("Enumerable", lambda: Enumerable(data).where(lambda x: x % 2 == 0).select(lambda x: x * 2).to_list())
Benchmark.all("Set", lambda: Set(data).where(lambda x: x % 2 == 0).select(lambda x: x * 2).to_list())
Benchmark.all("Collection", lambda: Collection(data).where(lambda x: x % 2 == 0).select(lambda x: x * 2).to_list())
Benchmark.all("List", lambda: List(data).where(lambda x: x % 2 == 0).select(lambda x: x * 2).to_list())
Benchmark.all(
"ImmutableList", lambda: ImmutableList(data).where(lambda x: x % 2 == 0).select(lambda x: x * 2).to_list()
)
Benchmark.all("List comprehension", lambda: [x * 2 for x in data if x % 2 == 0])
def main():
N = 10_000_000
data = list(range(N))
t_benchmark(data)
Console.write_line()
_default()
if __name__ == "__main__":
main()