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Examples of errors detected by the V3156 diagnostic
V3156. The argument of the method is not expected to be null.
MonoGame
V3156 The first argument of the 'Add' method is not expected to be null. Potential null value: sampler.Name. MonoGame.Effect.Compiler ParseTree.cs 1111
protected virtual object EvalSampler_Declaration(....)
{
if (this.GetValue(tree, TokenType.Semicolon, 0) == null)
return null;
var sampler = new SamplerStateInfo();
sampler.Name = this.GetValue(tree, TokenType.Identifier, 0) as string;
foreach (ParseNode node in Nodes)
node.Eval(tree, sampler);
var shaderInfo = paramlist[0] as ShaderInfo;
shaderInfo.SamplerStates.Add(sampler.Name, sampler); // <=
return null;
}
Cloudscribe
V3156 The first argument of the 'AddLoginAsync' method is not expected to be null. Potential null value: user as TUser. SiteUserManager.cs 257
public async Task<IdentityResult> TryCreateAccountForExternalUser(....)
{
....
var user = new SiteUser
{
SiteId = Site.Id,
UserName = userName,
Email = email,
FirstName = info.Principal.FindFirstValue(ClaimTypes.GivenName),
LastName = info.Principal.FindFirstValue(ClaimTypes.Surname),
AccountApproved = Site.RequireApprovalBeforeLogin ? false : true
};
user.DisplayName = _displayNameResolver.ResolveDisplayName(user);
var result = await CreateAsync(user as TUser);
if(result.Succeeded)
{
result = await AddLoginAsync(user as TUser, info);
}
return result;
}