[staticcheck] reported by reviewdog 🐶 func ensureOpt is unused Raw Output: {"source":{"name":"staticcheck","url":"https://staticcheck.io"},"message":"func ensureOpt is unused","code":{"value":"U1000","url":"https://staticcheck.io/docs/checks#U1000"},"location":{"path":"/home/runner/work/greq/greq/option.go","range":{"start":{"line":82,"column":6},"end":{"line":0,"column":0}}},"related_locations":[],"severity":"ERROR"}

type XmlDecoder should be XMLDecoder

exported const HeaderUAgent should have comment (or a comment on this block) or be unexported

parameter 'value' seems to be unused, consider removing or renaming it as _

parameter 'key' seems to be unused, consider removing or renaming it as _

parameter 'varMp' seems to be unused, consider removing or renaming it as _

parameter 'raw' seems to be unused, consider removing or renaming it as _

var reqUrl should be reqURL