Switch to 2018 edition

Cargo.toml

@@ -2,6 +2,7 @@
 authors = ["Without Boats <woboats@gmail.com>"]
 name = "heck"
 version = "0.3.1"
+edition = "2018"
 license = "MIT OR Apache-2.0"
 description = "heck is a case conversion library."
 homepage = "https://github.com/withoutboats/heck"

src/camel.rs

@@ -1,3 +1,5 @@
+use crate::{capitalize, transform};
+
 /// This trait defines a camel case conversion.
 ///
 /// In CamelCase, word boundaries are indicated by capital letters, including
@@ -19,7 +21,7 @@ pub trait CamelCase: ToOwned {
 
 impl CamelCase for str {
     fn to_camel_case(&self) -> String {
-        ::transform(self, ::capitalize, |_| {})
+        transform(self, capitalize, |_| {})
     }
 }
 

src/kebab.rs

@@ -1,3 +1,5 @@
+use crate::{lowercase, transform};
+
 /// This trait defines a kebab case conversion.
 ///
 /// In kebab-case, word boundaries are indicated by hyphens.
@@ -18,7 +20,7 @@ pub trait KebabCase: ToOwned {
 
 impl KebabCase for str {
     fn to_kebab_case(&self) -> Self::Owned {
-        ::transform(self, ::lowercase, |s| s.push('-'))
+        transform(self, lowercase, |s| s.push('-'))
     }
 }
 

src/lib.rs

@@ -36,7 +36,6 @@
 //! 6. Title Case
 //! 7. SHOUTY-KEBAB-CASE
 #![deny(missing_docs)]
-extern crate unicode_segmentation;
 
 mod camel;
 mod kebab;
@@ -46,13 +45,13 @@ mod shouty_snake;
 mod snake;
 mod title;
 
-pub use camel::CamelCase;
-pub use kebab::KebabCase;
-pub use mixed::MixedCase;
-pub use shouty_kebab::ShoutyKebabCase;
-pub use shouty_snake::{ShoutySnakeCase, ShoutySnekCase};
-pub use snake::{SnakeCase, SnekCase};
-pub use title::TitleCase;
+pub use self::camel::CamelCase;
+pub use self::kebab::KebabCase;
+pub use self::mixed::MixedCase;
+pub use self::shouty_kebab::ShoutyKebabCase;
+pub use self::shouty_snake::{ShoutySnakeCase, ShoutySnekCase};
+pub use self::snake::{SnakeCase, SnekCase};
+pub use self::title::TitleCase;
 
 use unicode_segmentation::UnicodeSegmentation;
 

src/mixed.rs

@@ -1,3 +1,5 @@
+use crate::{capitalize, lowercase, transform};
+
 /// This trait defines a mixed case conversion.
 ///
 /// In mixedCase, word boundaries are indicated by capital letters, excepting
@@ -19,9 +21,9 @@ pub trait MixedCase: ToOwned {
 
 impl MixedCase for str {
     fn to_mixed_case(&self) -> String {
-        ::transform(self, |s, out| {
-            if out.is_empty() { ::lowercase(s, out); }
-            else { ::capitalize(s, out) }
+        transform(self, |s, out| {
+            if out.is_empty() { lowercase(s, out); }
+            else { capitalize(s, out) }
         }, |_| {})
     }
 }

src/shouty_kebab.rs

@@ -1,3 +1,5 @@
+use crate::{transform, uppercase};
+
 /// This trait defines a shouty kebab case conversion.
 ///
 /// In SHOUTY-KEBAB-CASE, word boundaries are indicated by hyphens and all
@@ -19,7 +21,7 @@ pub trait ShoutyKebabCase: ToOwned {
 
 impl ShoutyKebabCase for str {
     fn to_shouty_kebab_case(&self) -> Self::Owned {
-        ::transform(self, ::uppercase, |s| s.push('-'))
+        transform(self, uppercase, |s| s.push('-'))
     }
 }
 

src/shouty_snake.rs

@@ -1,3 +1,5 @@
+use crate::{transform, uppercase};
+
 /// This trait defines a shouty snake case conversion.
 ///
 /// In SHOUTY_SNAKE_CASE, word boundaries are indicated by underscores and all
@@ -34,7 +36,7 @@ impl<T: ?Sized + ShoutySnakeCase> ShoutySnekCase for T {
 
 impl ShoutySnakeCase for str {
     fn to_shouty_snake_case(&self) -> Self::Owned {
-        ::transform(self, ::uppercase, |s| s.push('_'))
+        transform(self, uppercase, |s| s.push('_'))
     }
 }
 

src/snake.rs

@@ -1,3 +1,5 @@
+use crate::{lowercase, transform};
+
 /// This trait defines a snake case conversion.
 ///
 /// In snake_case, word boundaries are indicated by underscores.
@@ -31,7 +33,7 @@ impl<T: ?Sized + SnakeCase> SnekCase for T {
 
 impl SnakeCase for str {
     fn to_snake_case(&self) -> String {
-        ::transform(self, ::lowercase, |s| s.push('_'))
+        transform(self, lowercase, |s| s.push('_'))
     }
 }
 

src/title.rs

@@ -1,3 +1,5 @@
+use crate::{capitalize, transform};
+
 /// This trait defines a title case conversion.
 ///
 /// In Title Case, word boundaries are indicated by spaces, and every word is
@@ -19,7 +21,7 @@ pub trait TitleCase: ToOwned {
 
 impl TitleCase for str {
     fn to_title_case(&self) -> String {
-        ::transform(self, ::capitalize, |s| s.push(' '))
+        transform(self, capitalize, |s| s.push(' '))
     }
 }