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+# OCaml Routes Library DSL
+
+## The `@-->` Operator
+
+The `@-->` operator is from the `routes` library and is used to bind route patterns to handler functions.
+
+### Example:
+```ocaml
+`GET, (s "posts" /? nil) @--> Handler.get_posts
+```
+
+### Breaking it down:
+- `s "posts"` - matches the string "posts" in the URL path
+- `/?` - path concatenation operator 
+- `nil` - end of path (no more segments)
+- `@-->` - "maps to" operator that binds the route to the handler
+
+So `(s "posts" /? nil) @--> Handler.get_posts` means "the route `/posts` maps to the `Handler.get_posts` function".
+
+### Other common operators in the routes library:
+- `/:` for path parameters (e.g., `s "user" /: int /? nil` matches `/user/123`)
+- `//` for wildcard paths
+- `<$>` for transforming matched values
+
+It's a DSL (domain-specific language) for expressing routes in a concise, type-safe way.
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