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Prism.languages.erlang = {
comment: /%.+/,
string: {
pattern: /"(?:\\.|[^\\"\r\n])*"/,
greedy: true,
},
'quoted-function': {
pattern: /'(?:\\.|[^\\'\r\n])+'(?=\()/,
alias: 'function',
},
'quoted-atom': {
pattern: /'(?:\\.|[^\\'\r\n])+'/,
alias: 'atom',
},
boolean: /\b(?:false|true)\b/,
keyword: /\b(?:after|begin|case|catch|end|fun|if|of|receive|try|when)\b/,
number: [
/\$\\?./,
/\b\d+#[a-z0-9]+/i,
/(?:\b\d+(?:\.\d*)?|\B\.\d+)(?:e[+-]?\d+)?/i,
],
function: /\b[a-z][\w@]*(?=\()/,
variable: {
// Look-behind is used to prevent wrong highlighting of atoms containing "@"
pattern: /(^|[^@])(?:\b|\?)[A-Z_][\w@]*/,
lookbehind: true,
},
operator: [
/[=\/<>:]=|=[:\/]=|\+\+?|--?|[=*\/!]|\b(?:and|andalso|band|bnot|bor|bsl|bsr|bxor|div|not|or|orelse|rem|xor)\b/,
{
// We don't want to match <<
pattern: /(^|[^<])<(?!<)/,
lookbehind: true,
},
{
// We don't want to match >>
pattern: /(^|[^>])>(?!>)/,
lookbehind: true,
},
],
atom: /\b[a-z][\w@]*/,
punctuation: /[()[\]{}:;,.#|]|<<|>>/,
};
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