reflect: fix Value.NumMethod docs

NumMethod counts unexported methods for interface types. This behavior is documented in Type.NumMethod Fixes golang#42123 Change-Id: Ia5aba353a8cc64190c701d1521972d57e8903564 Reviewed-on: https://go-review.googlesource.com/c/go/+/396075 Reviewed-by: Ian Lance Taylor <[email protected]> Trust: Cherry Mui <[email protected]>
vmg · Apr 4, 2022 · ac31352 · ac31352
1 parent 35998c0
commit ac31352
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/src/reflect/type.go b/src/reflect/type.go
@@ -72,7 +72,9 @@ type Type interface {
 
  // NumMethod returns the number of methods accessible using Method.
  //
- // Note that NumMethod counts unexported methods only for interface types.
+ // For a non-interface type, it returns the number of exported methods.
+ //
+ // For an interface type, it returns the number of exported and unexported methods.
  NumMethod() int
 
  // Name returns the type's name within its package for a defined type.

diff --git a/src/reflect/value.go b/src/reflect/value.go
@@ -1868,7 +1868,11 @@ func (v Value) Method(i int) Value {
  return Value{v.typ, v.ptr, fl}
 }
 
-// NumMethod returns the number of exported methods in the value's method set.
+// NumMethod returns the number of methods in the value's method set.
+//
+// For a non-interface type, it returns the number of exported methods.
+//
+// For an interface type, it returns the number of exported and unexported methods.
 func (v Value) NumMethod() int {
  if v.typ == nil {
  panic(&ValueError{"reflect.Value.NumMethod", Invalid})