textDiagnosticLineMarker function
Implementation
String textDiagnosticLineMarker(TextDiagnosticSeverity severity) {
return switch (severity) {
TextDiagnosticSeverity.error => '!',
TextDiagnosticSeverity.warning => '~',
TextDiagnosticSeverity.info => 'i',
TextDiagnosticSeverity.hint => '.',
};
}