package main

import (
    "fmt"
    "github.com/yosida95/uritemplate.go"
)

var (
    tmpl = uritemplate.MustNew("https://example.com/dictionary/{term:1}/{term}")
)

func main() {
    vars := uritemplate.Values{}
    vars.Set("term", uritemplate.String("cat"))
    ret, err := tmpl.Expand(vars)
    if err != nil{
        fmt.Println(err)
        return
    }
    fmt.Println(ret)

    // Output:
    // https://example.com/dictionary/c/cat
}