vendor/clap/src/util/mod.rs

   1 #![allow(clippy::single_component_path_imports)]
   2
   3 mod fnv;
   4 mod graph;
   5 mod id;
   6 mod str_to_bool;
   7
   8 pub use self::fnv::Key;
   9
  10 pub(crate) use self::str_to_bool::str_to_bool;
  11 pub(crate) use self::str_to_bool::FALSE_LITERALS;
  12 pub(crate) use self::str_to_bool::TRUE_LITERALS;
  13 pub(crate) use self::{graph::ChildGraph, id::Id};
  14
  15 pub(crate) mod color;
  16
  17 pub(crate) const SUCCESS_CODE: i32 = 0;
  18 // While sysexists.h defines EX_USAGE as 64, this doesn't seem to be used much in practice but
  19 // instead 2 seems to be frequently used.
  20 // Examples
  21 // - GNU `ls` returns 2
  22 // - Python's `argparse` returns 2
  23 pub(crate) const USAGE_CODE: i32 = 2;
  24
  25 pub(crate) fn safe_exit(code: i32) -> ! {
  26     use std::io::Write;
  27
  28     let _ = std::io::stdout().lock().flush();
  29     let _ = std::io::stderr().lock().flush();
  30
  31     std::process::exit(code)
  32 }
  33
  34 #[cfg(not(feature = "unicode"))]
  35 pub(crate) fn eq_ignore_case(left: &str, right: &str) -> bool {
  36     left.eq_ignore_ascii_case(right)
  37 }
  38
  39 #[cfg(feature = "unicode")]
  40 pub(crate) use unicase::eq as eq_ignore_case;