IsValid() seems to be useful

gaissmai · Jul 27, 2022 · ddce6b5 · ddce6b5
1 parent fe71009
commit ddce6b5
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diff --git a/README.md b/README.md
@@ -24,6 +24,7 @@ type IPRange struct{ ... }
 
   func (r IPRange) Addrs() (first, last netip.Addr)
   func (r IPRange) String() string
+  func (r IPRange) IsValid() bool
 
   func Merge(in []IPRange) (out []IPRange)
   func (r IPRange) Remove(in []IPRange) (out []IPRange)

diff --git a/iprange.go b/iprange.go
@@ -134,6 +134,11 @@ func FromNetipAddrs(first, last netip.Addr) (IPRange, error) {
 	return IPRange{first, last}, nil
 }
 
+// IsValid reports whether r is a valid IPRange.
+func (r IPRange) IsValid() bool {
+	return r != zeroValue
+}
+
 // Addrs returns the first and last IP address of the IPRange.
 func (r IPRange) Addrs() (first, last netip.Addr) {
 	return r.first, r.last