Avatar for the astral-sh user
astral-sh
ruff
BlogDocsChangelog

[ty] Avoid possibly-undefined for known iteration

#23699Closed
Comparing
charlie/eco
(
f1a90ea
) with
main
(
7e477c2
)
CodSpeed Performance Gauge
-11%
Regression
2
Untouched
24
Skipped
30

Benchmarks

56 total
sympy
crates/ruff_benchmark/benches/ty_walltime.rs
CodSpeed Performance Gauge
-11%
67.1 s75.7 s
hydra-zen
crates/ruff_benchmark/benches/ty.rs::project::hydra::project
CodSpeed Performance Gauge
-4%
1.3 s1.4 s
multithreaded
crates/ruff_benchmark/benches/ty_walltime.rs
CodSpeed Performance Gauge
+3%
1.3 s1.3 s
ty_micro[complex_constrained_attributes_3]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_complex_constrained_attributes_3
CodSpeed Performance Gauge
+1%
76.7 ms76.3 ms
ty_micro[many_tuple_assignments]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_tuple_implicit_instance_attributes
CodSpeed Performance Gauge
+1%
70.6 ms70.2 ms
ty_micro[complex_constrained_attributes_2]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_complex_constrained_attributes_2
CodSpeed Performance Gauge
0%
70.6 ms70.3 ms
ty_micro[many_tuple_assignments]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_many_tuple_assignments
CodSpeed Performance Gauge
0%
68.2 ms67.9 ms
ty_micro[many_enum_members]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_many_enum_members
CodSpeed Performance Gauge
0%
131.9 ms131.5 ms
ty_micro[many_string_assignments]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_many_string_assignments
CodSpeed Performance Gauge
0%
80.4 ms80.2 ms
DateType
crates/ruff_benchmark/benches/ty.rs::project::datetype::project
CodSpeed Performance Gauge
0%
217.6 ms217.2 ms
ty_micro[complex_constrained_attributes_1]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_complex_constrained_attributes_1
CodSpeed Performance Gauge
0%
70.6 ms70.5 ms
ty_micro[many_enum_members_2]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_many_enum_members_2
CodSpeed Performance Gauge
0%
178.4 ms178.2 ms
altair
crates/ruff_benchmark/benches/ty_walltime.rs
CodSpeed Performance Gauge
0%
4.9 s4.9 s
ty_check_file[cold]
crates/ruff_benchmark/benches/ty.rs::check_file::benchmark_cold
CodSpeed Performance Gauge
0%
150.9 ms150.9 ms
anyio
crates/ruff_benchmark/benches/ty.rs::project::anyio::project
CodSpeed Performance Gauge
0%
1.2 s1.2 s
ty_check_file[incremental]
crates/ruff_benchmark/benches/ty.rs::check_file::benchmark_incremental
CodSpeed Performance Gauge
0%
8.2 ms8.2 ms
ty_micro[large_isinstance_narrowing]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_large_isinstance_narrowing
CodSpeed Performance Gauge
0%
143.7 ms144.1 ms
ty_micro[large_union_narrowing]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_large_union_narrowing
CodSpeed Performance Gauge
0%
496.1 ms497.6 ms
ty_micro[very_large_tuple]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_very_large_tuple
CodSpeed Performance Gauge
-1%
71.9 ms72.3 ms
colour_science
crates/ruff_benchmark/benches/ty_walltime.rs
CodSpeed Performance Gauge
-1%
111.5 s112.7 s
pandas
crates/ruff_benchmark/benches/ty_walltime.rs
CodSpeed Performance Gauge
-2%
81.3 s82.7 s
tanjun
crates/ruff_benchmark/benches/ty_walltime.rs
CodSpeed Performance Gauge
-2%
2.8 s2.9 s
attrs
crates/ruff_benchmark/benches/ty.rs::project::attrs::project
CodSpeed Performance Gauge
-2%
477.9 ms489.2 ms
static_frame
crates/ruff_benchmark/benches/ty_walltime.rs
CodSpeed Performance Gauge
-3%
30.4 s31.2 s
freqtrade
crates/ruff_benchmark/benches/ty_walltime.rs
CodSpeed Performance Gauge
-3%
9.3 s9.6 s

Commits

Click on a commit to change the comparison range
Base
main
7e477c2
-11.42%
[ty] Avoid possibly-undefined for known iteration
f1a90ea
19 hours ago
by charliermarsh
© 2026 CodSpeed Technology
Home Terms Privacy Docs