diff --git a/Cargo.toml b/Cargo.toml
index 384b080..dde741d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "plurify"
-version = "0.2.1"
+version = "0.1.0"
 edition = "2021"
 
 license = "MIT"
diff --git a/README.md b/README.md
index db504e5..bab2732 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,9 @@
 # plurify
 
 ![Build](https://github.com/YGGverse/plurify/actions/workflows/build.yml/badge.svg)
-[![Documentation](https://docs.rs/plurify/badge.svg)](https://docs.rs/plurify)
-[![crates.io](https://img.shields.io/crates/v/plurify.svg)](https://crates.io/crates/plurify)
 
 Pluralize words in different locales
 
-* [Documentation](https://docs.rs/plurify)
-
 ## Install
 
 ``` bash
@@ -17,16 +13,16 @@ cargo add plurify
 ## Usage
 
 ``` rust
-use plurify::*;
+use plurify::ns;
 
 let en = &["cat", "cats", "cats"];
 let uk = &["кіт", "кота", "котів"];
 
-assert_eq!(1.plurify(en), "cat");
-assert_eq!(2.plurify(en), "cats");
-assert_eq!(5.plurify(en), "cats");
+assert_eq!(ns(1, en), "cat");
+assert_eq!(ns(2, en), "cats");
+assert_eq!(ns(5, en), "cats");
 
-assert_eq!(1.plurify(uk), "кіт");
-assert_eq!(2.plurify(uk), "кота");
-assert_eq!(5.plurify(uk), "котів");
+assert_eq!(ns(1, uk), "кіт");
+assert_eq!(ns(2, uk), "кота");
+assert_eq!(ns(5, uk), "котів");
 ```
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index 7bccda8..f09654c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,55 +1,24 @@
-// Functions
-
-/// Get plural string `s` for number `n`
+/// Get plural string `s` match number `n`
 ///
 /// ## Example
 /// ``` rust
-/// use plurify::*;
+/// use plurify::ns;
 ///
 /// let en = &["cat", "cats", "cats"];
 /// let uk = &["кіт", "кота", "котів"];
 ///
-/// assert_eq!(plurify(1, en), "cat");
-/// assert_eq!(plurify(2, en), "cats");
-/// assert_eq!(plurify(5, en), "cats");
+/// assert_eq!(ns(1, en), "cat");
+/// assert_eq!(ns(2, en), "cats");
+/// assert_eq!(ns(5, en), "cats");
 ///
-/// assert_eq!(plurify(1, uk), "кіт");
-/// assert_eq!(plurify(2, uk), "кота");
-/// assert_eq!(plurify(5, uk), "котів");
+/// assert_eq!(ns(1, uk), "кіт");
+/// assert_eq!(ns(2, uk), "кота");
+/// assert_eq!(ns(5, uk), "котів");
 /// ```
-pub fn plurify<'a>(n: usize, s: &[&'a str]) -> &'a str {
-    s[if n % 100 > 4 && n % 100 < 20 {
+pub fn ns<'a>(n: usize, s: &[&'a str]) -> &'a str {
+    s[if (n % 100) > 4 && (n % 100) < 20 {
         2
     } else {
-        [2, 0, 1, 1, 1, 2][usize::min(n % 10, 5)]
+        [2, 0, 1, 1, 1, 2][std::cmp::min(n % 10, 5)]
     }]
 }
-
-// Traits
-
-pub trait Plurify {
-    fn plurify<'a>(self, s: &[&'a str]) -> &'a str;
-}
-
-impl Plurify for usize {
-    /// Get plural string for `usize` value
-    ///
-    /// ## Example
-    /// ``` rust
-    /// use plurify::*;
-    ///
-    /// let en = &["cat", "cats", "cats"];
-    /// let uk = &["кіт", "кота", "котів"];
-    ///
-    /// assert_eq!(1.plurify(en), "cat");
-    /// assert_eq!(2.plurify(en), "cats");
-    /// assert_eq!(5.plurify(en), "cats");
-    ///
-    /// assert_eq!(1.plurify(uk), "кіт");
-    /// assert_eq!(2.plurify(uk), "кота");
-    /// assert_eq!(5.plurify(uk), "котів");
-    /// ```
-    fn plurify<'a>(self, s: &[&'a str]) -> &'a str {
-        plurify(self, s)
-    }
-}
diff --git a/tests/integration.rs b/tests/integration.rs
index 81eb0de..957a0bb 100644
--- a/tests/integration.rs
+++ b/tests/integration.rs
@@ -1,24 +1,15 @@
-#[cfg(test)]
-use plurify::*;
+use plurify::ns;
 
 #[test]
-fn test() {
+fn _ns() {
     let en = &["cat", "cats", "cats"];
     let uk = &["кіт", "кота", "котів"];
 
-    assert_eq!(plurify(1, en), "cat");
-    assert_eq!(plurify(2, en), "cats");
-    assert_eq!(plurify(5, en), "cats");
+    assert_eq!(ns(1, en), "cat");
+    assert_eq!(ns(2, en), "cats");
+    assert_eq!(ns(5, en), "cats");
 
-    assert_eq!(plurify(1, uk), "кіт");
-    assert_eq!(plurify(2, uk), "кота");
-    assert_eq!(plurify(5, uk), "котів");
-
-    assert_eq!(1.plurify(en), "cat");
-    assert_eq!(2.plurify(en), "cats");
-    assert_eq!(5.plurify(en), "cats");
-
-    assert_eq!(1.plurify(uk), "кіт");
-    assert_eq!(2.plurify(uk), "кота");
-    assert_eq!(5.plurify(uk), "котів");
+    assert_eq!(ns(1, uk), "кіт");
+    assert_eq!(ns(2, uk), "кота");
+    assert_eq!(ns(5, uk), "котів");
 }