public void Eager_Validation_Source_ValueTaskPredicate()
{
var target = new ThrowingAsyncEnumerable <bool>();
Assert.Throws <ArgumentNullException>(() =>
{
var noIterate = AsyncEnumerable.Any((IAsyncEnumerable <bool>)null, QuickFunctions <bool> .IdentityWrapped);
});
}
public void Eager_Validation_Predicate_ValueTaskPredicate()
{
var target = new ThrowingAsyncEnumerable <bool>();
Assert.Throws <ArgumentNullException>(() =>
{
var noIterate = AsyncEnumerable.Any(target, (Func <bool, ValueTask <bool> >)null);
});
}
public void Eager_Validation_Source_NoPredicate()
{
var target = new ThrowingAsyncEnumerable <bool>();
Assert.Throws <ArgumentNullException>(() =>
{
var noIterate = AsyncEnumerable.Any((IAsyncEnumerable <bool>)null);
});
}
public async Task <bool> ApplyFriendAsync(EaUser user, string fid)
{
var fuser = await _userManager.FindByIdAsync(fid);
if (fuser == null)
{
return(false);//失败
}
var has = await AsyncEnumerable.Any(f => f.IsEnable && f.Target == user.Id || f.Creator == user.Id);
if (fuser.Id == user.Id || has)
{
return(false);
}
DbSet.Add(new Friend()
{
Creator = user.Id,
Target = fid
});
var res = await DbContext.SaveChangesAsync();
return(res > 0);
}
public static Task <bool> AnyAsync <TSource>(this IAsyncEnumerable <TSource> source, Func <TSource, bool> predicate, CancellationToken cancellationToken = default) => AsyncEnumerable.Any(source, predicate, cancellationToken);