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reflect: clarify documentation for Value.Seq/Seq2 #67268

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reflect: clarify documentation for Value.Seq/Seq2 #67268

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8 changes: 6 additions & 2 deletions src/reflect/iter.go
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ package reflect

import "iter"

// Seq returns an iter.Seq[reflect.Value] that loops over the elements of v.
// Seq returns an iter.Seq[Value] that loops over the elements of v.
// If v's kind is Func, it must be a function that has no results and
// that takes a single argument of type func(T) bool for some type T.
// If v's kind is Pointer, the pointer element type must have kind Array.
Expand Down Expand Up @@ -87,7 +87,11 @@ func (v Value) Seq() iter.Seq[Value] {
panic("reflect: " + v.Type().String() + " cannot produce iter.Seq[Value]")
}

// Seq2 is like Seq but for two values.
// Seq2 returns an iter.Seq2[Value, Value] that loops over the elements of v.
// If v's kind is Func, it must be a function that has no results and
// that takes a single argument of type func(K, V) bool for some type K, V.
// If v's kind is Pointer, the pointer element type must have kind Array.
// Otherwise v's kind must be Array, Map, Slice, or String.
func (v Value) Seq2() iter.Seq2[Value, Value] {
if canRangeFunc2(v.typ()) {
return func(yield func(Value, Value) bool) {
Expand Down