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You're mixing up two different APIs here.

e.URI() takes a handler function and builds the path from it:

e.URI(getUser, "42") // looks up the route registered with getUser handler

e.Reverse() takes a route name and does the same thing:

e.GET("/users/:id", getUser).Name = "get-user"
e.Reverse("get-user", "42") // → "/users/42"

Use Reverse() — it's what you want 99% of the time. Named routes are stable references that don't break when you refactor handler functions or move them between files. e.URI() needs the actual function reference, which gets awkward fast when handlers are methods or closures.

// register with a name
usersRoute := e.GET("/users/:id", getUser)
usersRoute.Name = "get-user"

// generate URLs anywhere
url := e.Reverse("get-user", userId)

Short version: Reverse() = lookup by name (use this), URI() = lookup by function pointer (fragile, mostly legacy).
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