Hosch250
This compiles and runs:
```
static void Main()
{
https://topanswers.xyz/csharp
}
```
Why isn't this a compiler error?
TopAnswers
C#
Top Answer
Hosch250
This compiles because the `http:` part parses as a line label, and the `//...` part parses as a comment.
You can check the parse tree and confirm this at [RoslynGenerator](https://jeuxjeux20.github.io/RoslynGenerator/).
```
SyntaxFactory.LabeledStatement(
identifier: SyntaxFactory.Identifier(
leading: SyntaxFactory.TriviaList(SyntaxFactory.Whitespace(" ")),
text: "https",
trailing: default),
colonToken: SyntaxFactory.Token(
leading: default,
kind: SyntaxKind.ColonToken,
trailing: SyntaxFactory.TriviaList(
SyntaxFactory.Comment("//topanswers.xyz/csharp"),
SyntaxFactory.LineFeed)),
statement: SyntaxFactory.ExpressionStatement(
expression: SyntaxFactory.IdentifierName(
identifier: SyntaxFactory.Identifier(
leading: default,
text: "",
trailing: default)),
semicolonToken: SyntaxFactory.Token(
leading: default,
kind: SyntaxKind.SemicolonToken,
text: "",
valueText: "",
trailing: default)))
```
The comment is part of the trailing trivia list on the colon token. If we had a statement, such as `Console.WriteLine("Something...");` after the `:` token, that would be included in the `statement` node in the tree.