using System; using System.Runtime.CompilerServices; namespace NJsonSchema { [System.Runtime.CompilerServices.NullableContext(1)] [System.Runtime.CompilerServices.Nullable(0)] internal static class Polyfills { [MethodImpl(MethodImplOptions.AggressiveInlining)] internal static bool Contains(this string source, char c) { return source.IndexOf(c) != -1; } [MethodImpl(MethodImplOptions.AggressiveInlining)] internal static bool StartsWith(this string source, char c) { if (source.Length > 0) return source[0] == c; return false; } [MethodImpl(MethodImplOptions.AggressiveInlining)] internal static bool EndsWith(this string s, char c) { if (s.Length > 0) return s[s.Length - 1] == c; return false; } [MethodImpl(MethodImplOptions.AggressiveInlining)] internal static bool Contains([System.Runtime.CompilerServices.Nullable(new byte[] { 0, 1 })] this ReadOnlySpan<string> source, string c) { return source.IndexOf(c) != -1; } } }