Implementation of the const_static_lifetime lint.

tests/ui/const_static_lifetime.rs

@@ -0,0 +1,33 @@
+#![feature(plugin)]
+
+#[derive(Debug)]
+struct Foo {}
+
+const VAR_ONE: &'static str = "Test constant #1"; // ERROR Consider removing 'static.
+
+const VAR_TWO: &str = "Test constant #2"; // This line should not raise a warning.
+
+const VAR_THREE: &[&'static str] = &["one", "two"]; // ERROR Consider removing 'static
+
+const VAR_FOUR: (&str, (&str, &'static str), &'static str) = ("on", ("th", "th"), "on"); // ERROR Consider removing 'static
+
+const VAR_FIVE: &'static [&[&'static str]] = &[&["test"], &["other one"]]; // ERROR Consider removing 'static
+
+const VAR_SIX: &'static u8 = &5;
+
+const VAR_SEVEN: &[&(&str, &'static [&'static str])] = &[&("one", &["other one"])];
+
+const VAR_HEIGHT: &'static Foo = &Foo {};
+
+fn main() {
+    let false_positive: &'static str = "test";
+    println!("{}", VAR_ONE);
+    println!("{}", VAR_TWO);
+    println!("{:?}", VAR_THREE);
+    println!("{:?}", VAR_FOUR);
+    println!("{:?}", VAR_FIVE);
+    println!("{:?}", VAR_SIX);
+    println!("{:?}", VAR_SEVEN);
+    println!("{:?}", VAR_HEIGHT);
+    println!("{}", false_positive);
+}

tests/ui/regex.rs

@@ -9,8 +9,8 @@ extern crate regex;
 use regex::{Regex, RegexSet, RegexBuilder};
 use regex::bytes::{Regex as BRegex, RegexSet as BRegexSet, RegexBuilder as BRegexBuilder};
 
-const OPENING_PAREN : &'static str = "(";
-const NOT_A_REAL_REGEX : &'static str = "foobar";
+const OPENING_PAREN: &str = "(";
+const NOT_A_REAL_REGEX: &str = "foobar";
 
 fn syntax_error() {
     let pipe_in_wrong_position = Regex::new("|");