1 unstable release

Uses new Rust 2024

new 0.1.1 Mar 10, 2025

#518 in Internationalization (i18n)

MulanPSL-2.0

11KB
60 lines

index_of

pub trait IndexOf<T> {
  fn index_of(&self, target: &T) -> Option<usize>;
}

impl<T: PartialEq> IndexOf<T> for &[T] {
  fn index_of(&self, target: &T) -> Option<usize> {
    for (i, x) in self.iter().enumerate() {
      if x == target {
        return Some(i);
      }
    }
    None
  }
}

impl<T: PartialEq, const N: usize> IndexOf<T> for [T; N] {
  fn index_of(&self, target: &T) -> Option<usize> {
    for (i, x) in self.iter().enumerate() {
      if x == target {
        return Some(i);
      }
    }
    None
  }
}

About

This project is an open-source component of i18n.site ⋅ Internationalization Solution.

关于

本项目为 i18n.site ⋅ 国际化解决方案 的开源组件。

Dependencies

~135KB