/// <summary>
/// Attempts to read one of many strings from the parser and if it succeeds removes the string from the parsers buffer.
/// </summary>
/// <param name="parser">A parser on which to operate.</param>
/// <param name="matched">The actual string that was matched.</param>
/// <param name="comparer">The comparer to work with to match the strings, defaults to <see cref="StringComparer.Ordinal" />.</param>
/// <param name="expect">A list of strings to check again, in order.</param>
/// <returns>True, if the buffer would return <paramref name="expect"/> next, false otherwise.</returns>
public static bool TryRead(this ITextParser parser, [MaybeNullWhen(false)] out ParserString matched, IEqualityComparer <string?>?comparer, params object[] expected)
{
matched = null;
foreach (var o in expected)
{
var str = o?.ToString();
if (str != null && parser.StartsWith(str, out str, comparer))
{
matched = parser.Read(str.Length);
return(true);
}
}
return(false);
}
