fix
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286
book/node_modules/highlight.js/lib/languages/kotlin.js
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286
book/node_modules/highlight.js/lib/languages/kotlin.js
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// https://docs.oracle.com/javase/specs/jls/se15/html/jls-3.html#jls-3.10
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var decimalDigits = '[0-9](_*[0-9])*';
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var frac = `\\.(${decimalDigits})`;
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var hexDigits = '[0-9a-fA-F](_*[0-9a-fA-F])*';
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var NUMERIC = {
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className: 'number',
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variants: [
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// DecimalFloatingPointLiteral
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// including ExponentPart
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{ begin: `(\\b(${decimalDigits})((${frac})|\\.)?|(${frac}))` +
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`[eE][+-]?(${decimalDigits})[fFdD]?\\b` },
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// excluding ExponentPart
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{ begin: `\\b(${decimalDigits})((${frac})[fFdD]?\\b|\\.([fFdD]\\b)?)` },
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{ begin: `(${frac})[fFdD]?\\b` },
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{ begin: `\\b(${decimalDigits})[fFdD]\\b` },
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// HexadecimalFloatingPointLiteral
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{ begin: `\\b0[xX]((${hexDigits})\\.?|(${hexDigits})?\\.(${hexDigits}))` +
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`[pP][+-]?(${decimalDigits})[fFdD]?\\b` },
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// DecimalIntegerLiteral
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{ begin: '\\b(0|[1-9](_*[0-9])*)[lL]?\\b' },
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// HexIntegerLiteral
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{ begin: `\\b0[xX](${hexDigits})[lL]?\\b` },
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// OctalIntegerLiteral
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{ begin: '\\b0(_*[0-7])*[lL]?\\b' },
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// BinaryIntegerLiteral
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{ begin: '\\b0[bB][01](_*[01])*[lL]?\\b' },
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],
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relevance: 0
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};
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/*
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Language: Kotlin
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Description: Kotlin is an OSS statically typed programming language that targets the JVM, Android, JavaScript and Native.
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Author: Sergey Mashkov <cy6erGn0m@gmail.com>
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Website: https://kotlinlang.org
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Category: common
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*/
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function kotlin(hljs) {
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const KEYWORDS = {
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keyword:
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'abstract as val var vararg get set class object open private protected public noinline '
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+ 'crossinline dynamic final enum if else do while for when throw try catch finally '
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+ 'import package is in fun override companion reified inline lateinit init '
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+ 'interface annotation data sealed internal infix operator out by constructor super '
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+ 'tailrec where const inner suspend typealias external expect actual',
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built_in:
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'Byte Short Char Int Long Boolean Float Double Void Unit Nothing',
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literal:
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'true false null'
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};
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const KEYWORDS_WITH_LABEL = {
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className: 'keyword',
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begin: /\b(break|continue|return|this)\b/,
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starts: { contains: [
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{
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className: 'symbol',
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begin: /@\w+/
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}
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] }
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};
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const LABEL = {
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className: 'symbol',
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begin: hljs.UNDERSCORE_IDENT_RE + '@'
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};
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// for string templates
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const SUBST = {
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className: 'subst',
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begin: /\$\{/,
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end: /\}/,
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contains: [ hljs.C_NUMBER_MODE ]
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};
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const VARIABLE = {
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className: 'variable',
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begin: '\\$' + hljs.UNDERSCORE_IDENT_RE
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};
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const STRING = {
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className: 'string',
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variants: [
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{
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begin: '"""',
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end: '"""(?=[^"])',
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contains: [
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VARIABLE,
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SUBST
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]
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},
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// Can't use built-in modes easily, as we want to use STRING in the meta
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// context as 'meta-string' and there's no syntax to remove explicitly set
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// classNames in built-in modes.
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{
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begin: '\'',
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end: '\'',
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illegal: /\n/,
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contains: [ hljs.BACKSLASH_ESCAPE ]
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},
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{
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begin: '"',
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end: '"',
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illegal: /\n/,
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contains: [
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hljs.BACKSLASH_ESCAPE,
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VARIABLE,
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SUBST
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]
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}
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]
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};
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SUBST.contains.push(STRING);
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const ANNOTATION_USE_SITE = {
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className: 'meta',
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begin: '@(?:file|property|field|get|set|receiver|param|setparam|delegate)\\s*:(?:\\s*' + hljs.UNDERSCORE_IDENT_RE + ')?'
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};
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const ANNOTATION = {
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className: 'meta',
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begin: '@' + hljs.UNDERSCORE_IDENT_RE,
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contains: [
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{
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begin: /\(/,
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end: /\)/,
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contains: [
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hljs.inherit(STRING, { className: 'string' }),
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"self"
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]
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}
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]
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};
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// https://kotlinlang.org/docs/reference/whatsnew11.html#underscores-in-numeric-literals
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// According to the doc above, the number mode of kotlin is the same as java 8,
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// so the code below is copied from java.js
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const KOTLIN_NUMBER_MODE = NUMERIC;
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const KOTLIN_NESTED_COMMENT = hljs.COMMENT(
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'/\\*', '\\*/',
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{ contains: [ hljs.C_BLOCK_COMMENT_MODE ] }
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);
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const KOTLIN_PAREN_TYPE = { variants: [
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{
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className: 'type',
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begin: hljs.UNDERSCORE_IDENT_RE
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},
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{
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begin: /\(/,
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end: /\)/,
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contains: [] // defined later
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}
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] };
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const KOTLIN_PAREN_TYPE2 = KOTLIN_PAREN_TYPE;
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KOTLIN_PAREN_TYPE2.variants[1].contains = [ KOTLIN_PAREN_TYPE ];
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KOTLIN_PAREN_TYPE.variants[1].contains = [ KOTLIN_PAREN_TYPE2 ];
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return {
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name: 'Kotlin',
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aliases: [
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'kt',
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'kts'
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],
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keywords: KEYWORDS,
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contains: [
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hljs.COMMENT(
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'/\\*\\*',
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'\\*/',
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{
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relevance: 0,
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contains: [
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{
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className: 'doctag',
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begin: '@[A-Za-z]+'
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}
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]
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}
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),
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hljs.C_LINE_COMMENT_MODE,
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KOTLIN_NESTED_COMMENT,
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KEYWORDS_WITH_LABEL,
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LABEL,
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ANNOTATION_USE_SITE,
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ANNOTATION,
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{
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className: 'function',
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beginKeywords: 'fun',
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end: '[(]|$',
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returnBegin: true,
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excludeEnd: true,
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keywords: KEYWORDS,
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relevance: 5,
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contains: [
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{
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begin: hljs.UNDERSCORE_IDENT_RE + '\\s*\\(',
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returnBegin: true,
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relevance: 0,
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contains: [ hljs.UNDERSCORE_TITLE_MODE ]
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},
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{
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className: 'type',
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begin: /</,
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end: />/,
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keywords: 'reified',
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relevance: 0
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},
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{
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className: 'params',
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begin: /\(/,
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end: /\)/,
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endsParent: true,
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keywords: KEYWORDS,
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relevance: 0,
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contains: [
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{
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begin: /:/,
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end: /[=,\/]/,
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endsWithParent: true,
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contains: [
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KOTLIN_PAREN_TYPE,
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hljs.C_LINE_COMMENT_MODE,
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KOTLIN_NESTED_COMMENT
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],
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relevance: 0
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},
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hljs.C_LINE_COMMENT_MODE,
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KOTLIN_NESTED_COMMENT,
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ANNOTATION_USE_SITE,
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ANNOTATION,
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STRING,
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hljs.C_NUMBER_MODE
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]
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},
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KOTLIN_NESTED_COMMENT
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]
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},
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{
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begin: [
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/class|interface|trait/,
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/\s+/,
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hljs.UNDERSCORE_IDENT_RE
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],
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beginScope: {
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3: "title.class"
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},
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keywords: 'class interface trait',
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end: /[:\{(]|$/,
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excludeEnd: true,
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illegal: 'extends implements',
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contains: [
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{ beginKeywords: 'public protected internal private constructor' },
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hljs.UNDERSCORE_TITLE_MODE,
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{
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className: 'type',
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begin: /</,
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end: />/,
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excludeBegin: true,
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excludeEnd: true,
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relevance: 0
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},
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{
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className: 'type',
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begin: /[,:]\s*/,
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end: /[<\(,){\s]|$/,
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excludeBegin: true,
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returnEnd: true
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},
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ANNOTATION_USE_SITE,
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ANNOTATION
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]
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},
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STRING,
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{
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className: 'meta',
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begin: "^#!/usr/bin/env",
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end: '$',
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illegal: '\n'
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},
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KOTLIN_NUMBER_MODE
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]
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};
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}
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module.exports = kotlin;
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