hostalias

package

v1.0.0 Latest Latest Go to latest Published: Sep 29, 2025 License: MIT Imports: 2 Imported by: 0

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type HostAlias func(hostname string) (newHostname string)

HostAlias applies host aliasing rules, returning a new hostname (or "" if no aliasing is applied).

var None HostAlias = func(hostname string) string { return "" }

None is the no-op HostAlias.

func Compose(base, next HostAlias) HostAlias

func Simple(mapping map[string]string) HostAlias

func (f HostAlias) Apply(u *url.URL) error

Apply transforms u in-place using host aliasing rules. Error is returned if an unknown/invalid alias is used.