| //! A method to obtain the local offset from UTC. |
| |
| #![allow(clippy::missing_const_for_fn)] |
| |
| #[cfg_attr(target_family = "windows", path = "windows.rs")] |
| #[cfg_attr(target_family = "unix", path = "unix.rs")] |
| #[cfg_attr( |
| all( |
| target_family = "wasm", |
| not(any(target_os = "emscripten", target_os = "wasi")), |
| feature = "wasm-bindgen" |
| ), |
| path = "wasm_js.rs" |
| )] |
| mod imp; |
| |
| use crate::{OffsetDateTime, UtcOffset}; |
| |
| /// Attempt to obtain the system's UTC offset. If the offset cannot be determined, `None` is |
| /// returned. |
| pub(crate) fn local_offset_at(datetime: OffsetDateTime) -> Option<UtcOffset> { |
| // miri does not support tzset() |
| if cfg!(miri) { |
| None |
| } else { |
| imp::local_offset_at(datetime) |
| } |
| } |