update elements and fix some bugs

lib/src/prism/components/prism-rust.js

 /* TODO
         Add support for Markdown notation inside doc comments
         Add support for nested block comments...
         Match closure params even when not followed by dash or brace
         Add better support for macro definition
 */
 
 Prism.languages.rust = {
         'comment': [
                 {
                         pattern: /(^|[^\\])\/\*[\w\W]*?\*\//,
                         lookbehind: true
                 },
                 {
-                        pattern: /(^|[^\\:])\/\/.*?(\r?\n|$)/,
+                        pattern: /(^|[^\\:])\/\/.*/,
                         lookbehind: true
                 }
         ],
         'string': [
                 /b?r(#*)"(?:\\?.)*?"\1/,
                 /b?("|')(?:\\?.)*?\1/
         ],
         'keyword': /\b(?:abstract|alignof|as|be|box|break|const|continue|crate|do|else|enum|extern|false|final|fn|for|if|impl|in|let|loop|match|mod|move|mut|offsetof|once|override|priv|pub|pure|ref|return|sizeof|static|self|struct|super|true|trait|type|typeof|unsafe|unsized|use|virtual|where|while|yield)\b/,
 
         'attribute': {
                 pattern: /#!?\[.+?\]/,
                 alias: 'attr-name'
         },
 
         'function': [
                 /[a-z0-9_]+(?=\s*\()/i,
                 // Macros can use parens or brackets
                 /[a-z0-9_]+!(?=\s*\(|\[)/i
         ],
         'macro-rules': {
                 pattern: /[a-z0-9_]+!/i,
                 alias: 'function'
         },
 
         // Hex, oct, bin, dec numbers with visual separators and type suffix
-        'number': /\b-?(?:0x[\dA-Fa-f](?:_?[\dA-Fa-f])*|0o[0-7](?:_?[0-7])*|0b[01](?:_?[01])*|(\d(_?\d)*)?\.?\d(_?\d)*([Ee][+-]?\d+)?)(?:_?(?:[iu](?:8|16|32)?|f32|f64))?\b/,
+        'number': /\b-?(?:0x[\dA-Fa-f](?:_?[\dA-Fa-f])*|0o[0-7](?:_?[0-7])*|0b[01](?:_?[01])*|(\d(_?\d)*)?\.?\d(_?\d)*([Ee][+-]?\d+)?)(?:_?(?:[iu](?:8|16|32|64)?|f32|f64))?\b/,
 
         // Closure params should not be confused with bitwise OR |
         'closure-params': {
                 pattern: /\|[^|]*\|(?=\s*[{-])/,
                 inside: {
                         'punctuation': /[\|:,]/,
                         'operator': /[&*]/
                 }
         },
-        'punctuation': /[{}[\];(),.:]|->/,
-        'operator': /[-+]{1,2}|!=?|<=?|>=?|={1,3}|&&?|\|\|?|\*|\/|\^|%|<<|>>@/
+        'punctuation': /[{}[\];(),:]|\.+|->/,
+        'operator': /[-+*\/%!^=]=?|@|&[&=]?|\|[|=]?|<<?=?|>>?=?/
 };