public static ValueOption <TResult> With <T, TResult>(
this ValueOption <T> option,
[NotNull, InstantHandle] Func <T, TResult> selectFunc)
{
Code.NotNull(selectFunc, nameof(selectFunc));
return(option.HasValue ? new ValueOption <TResult>(selectFunc(option.Value)) : None <TResult>());
}
public static ValueOption <TResult> With <T, TResult>(
this ValueOption <T> option,
[NotNull, InstantHandle] Func <T, TResult> selectFunc,
[NotNull, InstantHandle] Func <TResult> defaultFunc)
{
Code.NotNull(selectFunc, nameof(selectFunc));
Code.NotNull(defaultFunc, nameof(defaultFunc));
return(new ValueOption <TResult>(option.HasValue ? selectFunc(option.Value) : defaultFunc()));
}
/// <summary>Indicates whether the current object is equal to another object of the same type.</summary> /// <returns>true if the current object is equal to the <paramref name="other" /> parameter; otherwise, false.</returns> /// <param name="other">An object to compare with this object.</param> public bool Equals(ValueOption <T> other) => !HasValue && !other.HasValue || HasValue && other.HasValue && EqualityComparer <T> .Default.Equals(_value, other._value);