doc: add go playground demo

tuple/tuple.go

@@ -13,19 +13,19 @@ type Tuple2[A any, B any] struct {
 }
 
 // Unbox returns values in tuple.
-// Play: todo
+// Play: https://go.dev/play/p/0fD1qfCVwjm
 func (t Tuple2[A, B]) Unbox() (A, B) {
 	return t.FieldA, t.FieldB
 }
 
 // NewTuple2 creates a 2 elemnets tuple from a list of values.
-// Play: todo
+// Play: https://go.dev/play/p/3sHVqBQpLYN
 func NewTuple2[A any, B any](a A, b B) Tuple2[A, B] {
 	return Tuple2[A, B]{FieldA: a, FieldB: b}
 }
 
 // Zip2 create a slice of Tuple2, whose elements are correspond to the given slice elements.
-// Play: todo
+// Play: https://go.dev/play/p/4ncWJJ77Xio
 func Zip2[A any, B any](a []A, b []B) []Tuple2[A, B] {
 	size := mathutil.Max(len(a), len(b))
 
@@ -42,7 +42,7 @@ func Zip2[A any, B any](a []A, b []B) []Tuple2[A, B] {
 }
 
 // Unzip2 creates a group of slice from a slice of Tuple2.
-// Play: todo
+// Play: https://go.dev/play/p/KBecr60feXb
 func Unzip2[A any, B any](tuples []Tuple2[A, B]) ([]A, []B) {
 	size := len(tuples)
 
@@ -65,19 +65,19 @@ type Tuple3[A any, B any, C any] struct {
 }
 
 // Unbox returns values in tuple.
-// Play: todo
+// Play: https://go.dev/play/p/YojLy-id1BS
 func (t Tuple3[A, B, C]) Unbox() (A, B, C) {
 	return t.FieldA, t.FieldB, t.FieldC
 }
 
 // NewTuple3 creates a 3 elemnets tuple from a list of values.
-// Play: todo
+// Play: https://go.dev/play/p/FtH2sdCLlCf
 func NewTuple3[A any, B any, C any](a A, b B, c C) Tuple3[A, B, C] {
 	return Tuple3[A, B, C]{FieldA: a, FieldB: b, FieldC: c}
 }
 
 // Zip3 create a slice of Tuple3, whose elements are correspond to the given slice elements.
-// Play: todo
+// Play: https://go.dev/play/p/97NgmsTILfu
 func Zip3[A any, B any, C any](a []A, b []B, c []C) []Tuple3[A, B, C] {
 	size := mathutil.Max(len(a), len(b), len(c))
 
@@ -95,7 +95,7 @@ func Zip3[A any, B any, C any](a []A, b []B, c []C) []Tuple3[A, B, C] {
 }
 
 // Unzip3 creates a group of slice from a slice of Tuple3.
-// Play: todo
+// Play: https://go.dev/play/p/bba4cpAa7KO
 func Unzip3[A any, B any, C any](tuples []Tuple3[A, B, C]) ([]A, []B, []C) {
 	size := len(tuples)
 
@@ -121,19 +121,19 @@ type Tuple4[A any, B any, C any, D any] struct {
 }
 
 // Unbox returns values in tuple.
-// Play: todo
+// Play: https://go.dev/play/p/ACj9YuACGgW
 func (t Tuple4[A, B, C, D]) Unbox() (A, B, C, D) {
 	return t.FieldA, t.FieldB, t.FieldC, t.FieldD
 }
 
 // NewTuple4 creates a 4 elemnets tuple from a list of values.
-// Play: todo
+// Play: https://go.dev/play/p/D2EqDz096tk
 func NewTuple4[A any, B any, C any, D any](a A, b B, c C, d D) Tuple4[A, B, C, D] {
 	return Tuple4[A, B, C, D]{FieldA: a, FieldB: b, FieldC: c, FieldD: d}
 }
 
 // Zip4 create a slice of Tuple4, whose elements are correspond to the given slice elements.
-// Play: todo
+// Play: https://go.dev/play/p/PEmTYVK5hL4
 func Zip4[A any, B any, C any, D any](a []A, b []B, c []C, d []D) []Tuple4[A, B, C, D] {
 	size := mathutil.Max(len(a), len(b), len(c), len(d))
 
@@ -152,7 +152,7 @@ func Zip4[A any, B any, C any, D any](a []A, b []B, c []C, d []D) []Tuple4[A, B,
 }
 
 // Unzip4 creates a group of slice from a slice of Tuple4.
-// Play: todo
+// Play: https://go.dev/play/p/rb8z4gyYSRN
 func Unzip4[A any, B any, C any, D any](tuples []Tuple4[A, B, C, D]) ([]A, []B, []C, []D) {
 	size := len(tuples)
 
@@ -181,19 +181,19 @@ type Tuple5[A any, B any, C any, D any, E any] struct {
 }
 
 // Unbox returns values in tuple.
-// Play: todo
+// Play: https://go.dev/play/p/GyIyZHjCvoS
 func (t Tuple5[A, B, C, D, E]) Unbox() (A, B, C, D, E) {
 	return t.FieldA, t.FieldB, t.FieldC, t.FieldD, t.FieldE
 }
 
 // NewTuple5 creates a 5 elemnets tuple from a list of values.
-// Play: todo
+// Play: https://go.dev/play/p/2WndmVxPg-r
 func NewTuple5[A any, B any, C any, D any, E any](a A, b B, c C, d D, e E) Tuple5[A, B, C, D, E] {
 	return Tuple5[A, B, C, D, E]{FieldA: a, FieldB: b, FieldC: c, FieldD: d, FieldE: e}
 }
 
 // Zip5 create a slice of Tuple5, whose elements are correspond to the given slice elements.
-// Play: todo
+// Play: https://go.dev/play/p/fCAAJLMfBIP
 func Zip5[A any, B any, C any, D any, E any](a []A, b []B, c []C, d []D, e []E) []Tuple5[A, B, C, D, E] {
 	size := mathutil.Max(len(a), len(b), len(c), len(d), len(e))
 
@@ -215,7 +215,7 @@ func Zip5[A any, B any, C any, D any, E any](a []A, b []B, c []C, d []D, e []E)
 }
 
 // Unzip5 creates a group of slice from a slice of Tuple5.
-// Play: todo
+// Play: https://go.dev/play/p/gyl6vKfhqPb
 func Unzip5[A any, B any, C any, D any, E any](tuples []Tuple5[A, B, C, D, E]) ([]A, []B, []C, []D, []E) {
 	size := len(tuples)
 
@@ -247,19 +247,19 @@ type Tuple6[A any, B any, C any, D any, E any, F any] struct {
 }
 
 // Unbox returns values in tuple.
-// Play: todo
+// Play: https://go.dev/play/p/FjIHV7lpxmW
 func (t Tuple6[A, B, C, D, E, F]) Unbox() (A, B, C, D, E, F) {
 	return t.FieldA, t.FieldB, t.FieldC, t.FieldD, t.FieldE, t.FieldF
 }
 
 // NewTuple6 creates a 6 elemnets tuple from a list of values.
-// Play: todo
+// Play: https://go.dev/play/p/VjqcCwEJZbs
 func NewTuple6[A any, B any, C any, D any, E any, F any](a A, b B, c C, d D, e E, f F) Tuple6[A, B, C, D, E, F] {
 	return Tuple6[A, B, C, D, E, F]{FieldA: a, FieldB: b, FieldC: c, FieldD: d, FieldE: e, FieldF: f}
 }
 
 // Zip6 create a slice of Tuple6, whose elements are correspond to the given slice elements.
-// Play: todo
+// Play: https://go.dev/play/p/oWPrnUYuFHo
 func Zip6[A any, B any, C any, D any, E any, F any](a []A, b []B, c []C, d []D, e []E, f []F) []Tuple6[A, B, C, D, E, F] {
 	size := mathutil.Max(len(a), len(b), len(c), len(d), len(e), len(f))
 
@@ -282,7 +282,7 @@ func Zip6[A any, B any, C any, D any, E any, F any](a []A, b []B, c []C, d []D,
 }
 
 // Unzip6 creates a group of slice from a slice of Tuple6.
-// Play: todo
+// Play: https://go.dev/play/p/l41XFqCyh5E
 func Unzip6[A any, B any, C any, D any, E any, F any](tuples []Tuple6[A, B, C, D, E, F]) ([]A, []B, []C, []D, []E, []F) {
 	size := len(tuples)
 
@@ -317,19 +317,19 @@ type Tuple7[A any, B any, C any, D any, E any, F any, G any] struct {
 }
 
 // Unbox returns values in tuple.
-// Play: todo
+// Play: https://go.dev/play/p/R9I8qeDk0zs
 func (t Tuple7[A, B, C, D, E, F, G]) Unbox() (A, B, C, D, E, F, G) {
 	return t.FieldA, t.FieldB, t.FieldC, t.FieldD, t.FieldE, t.FieldF, t.FieldG
 }
 
 // NewTuple7 creates a 7 elemnets tuple from a list of values.
-// Play: todo
+// Play: https://go.dev/play/p/dzAgv_Ezub9
 func NewTuple7[A any, B any, C any, D any, E any, F any, G any](a A, b B, c C, d D, e E, f F, g G) Tuple7[A, B, C, D, E, F, G] {
 	return Tuple7[A, B, C, D, E, F, G]{FieldA: a, FieldB: b, FieldC: c, FieldD: d, FieldE: e, FieldF: f, FieldG: g}
 }
 
 // Zip7 create a slice of Tuple7, whose elements are correspond to the given slice elements.
-// Play: todo
+// Play: https://go.dev/play/p/WUJuo897Egf
 func Zip7[A any, B any, C any, D any, E any, F any, G any](a []A, b []B, c []C, d []D, e []E, f []F, g []G) []Tuple7[A, B, C, D, E, F, G] {
 	size := mathutil.Max(len(a), len(b), len(c), len(d), len(e), len(f), len(g))
 
@@ -354,7 +354,7 @@ func Zip7[A any, B any, C any, D any, E any, F any, G any](a []A, b []B, c []C,
 }
 
 // Unzip7 creates a group of slice from a slice of Tuple7.
-// Play: todo
+// Play: https://go.dev/play/p/hws_P1Fr2j3
 func Unzip7[A any, B any, C any, D any, E any, F any, G any](tuples []Tuple7[A, B, C, D, E, F, G]) ([]A, []B, []C, []D, []E, []F, []G) {
 	size := len(tuples)
 
@@ -392,19 +392,19 @@ type Tuple8[A any, B any, C any, D any, E any, F any, G any, H any] struct {
 }
 
 // Unbox returns values in tuple.
-// Play: todo
+// Play: https://go.dev/play/p/PRxLBBb4SMl
 func (t Tuple8[A, B, C, D, E, F, G, H]) Unbox() (A, B, C, D, E, F, G, H) {
 	return t.FieldA, t.FieldB, t.FieldC, t.FieldD, t.FieldE, t.FieldF, t.FieldG, t.FieldH
 }
 
 // NewTuple8 creates a 8 elemnets tuple from a list of values.
-// Play: todo
+// Play: https://go.dev/play/p/YA9S0rz3dRz
 func NewTuple8[A any, B any, C any, D any, E any, F any, G any, H any](a A, b B, c C, d D, e E, f F, g G, h H) Tuple8[A, B, C, D, E, F, G, H] {
 	return Tuple8[A, B, C, D, E, F, G, H]{FieldA: a, FieldB: b, FieldC: c, FieldD: d, FieldE: e, FieldF: f, FieldG: g, FieldH: h}
 }
 
 // Zip8 create a slice of Tuple8, whose elements are correspond to the given slice elements.
-// Play: todo
+// Play: https://go.dev/play/p/8V9jWkuJfaQ
 func Zip8[A any, B any, C any, D any, E any, F any, G any, H any](a []A, b []B, c []C, d []D, e []E, f []F, g []G, h []H) []Tuple8[A, B, C, D, E, F, G, H] {
 	size := mathutil.Max(len(a), len(b), len(c), len(d), len(e), len(f), len(g), len(h))
 
@@ -430,7 +430,7 @@ func Zip8[A any, B any, C any, D any, E any, F any, G any, H any](a []A, b []B,
 }
 
 // Unzip8 creates a group of slice from a slice of Tuple8.
-// Play: todo
+// Play: https://go.dev/play/p/1SndOwGsZB4
 func Unzip8[A any, B any, C any, D any, E any, F any, G any, H any](tuples []Tuple8[A, B, C, D, E, F, G, H]) ([]A, []B, []C, []D, []E, []F, []G, []H) {
 	size := len(tuples)
 
@@ -471,19 +471,19 @@ type Tuple9[A any, B any, C any, D any, E any, F any, G any, H any, I any] struc
 }
 
 // Unbox returns values in tuple.
-// Play: todo
+// Play: https://go.dev/play/p/oFJFGTAuOa8
 func (t Tuple9[A, B, C, D, E, F, G, H, I]) Unbox() (A, B, C, D, E, F, G, H, I) {
 	return t.FieldA, t.FieldB, t.FieldC, t.FieldD, t.FieldE, t.FieldF, t.FieldG, t.FieldH, t.FieldI
 }
 
 // NewTuple9 creates a 9 elemnets tuple from a list of values.
-// Play: todo
+// Play: https://go.dev/play/p/yS2NGGtZpQr
 func NewTuple9[A any, B any, C any, D any, E any, F any, G any, H any, I any](a A, b B, c C, d D, e E, f F, g G, h H, i I) Tuple9[A, B, C, D, E, F, G, H, I] {
 	return Tuple9[A, B, C, D, E, F, G, H, I]{FieldA: a, FieldB: b, FieldC: c, FieldD: d, FieldE: e, FieldF: f, FieldG: g, FieldH: h, FieldI: i}
 }
 
 // Zip9 create a slice of Tuple9, whose elements are correspond to the given slice elements.
-// Play: todo
+// Play: https://go.dev/play/p/cgsL15QYnfz
 func Zip9[A any, B any, C any, D any, E any, F any, G any, H any, I any](a []A, b []B, c []C, d []D, e []E, f []F, g []G, h []H, i []I) []Tuple9[A, B, C, D, E, F, G, H, I] {
 	size := mathutil.Max(len(a), len(b), len(c), len(d), len(e), len(f), len(g), len(h), len(i))
 
@@ -510,7 +510,7 @@ func Zip9[A any, B any, C any, D any, E any, F any, G any, H any, I any](a []A,
 }
 
 // Unzip9 creates a group of slice from a slice of Tuple9.
-// Play: todo
+// Play: https://go.dev/play/p/91-BU_KURSA
 func Unzip9[A any, B any, C any, D any, E any, F any, G any, H any, I any](tuples []Tuple9[A, B, C, D, E, F, G, H, I]) ([]A, []B, []C, []D, []E, []F, []G, []H, []I) {
 	size := len(tuples)
 
@@ -554,19 +554,19 @@ type Tuple10[A any, B any, C any, D any, E any, F any, G any, H any, I any, J an
 }
 
 // Unbox returns values in tuple.
-// Play: todo
+// Play: https://go.dev/play/p/qfyx3x_X0Cu
 func (t Tuple10[A, B, C, D, E, F, G, H, I, J]) Unbox() (A, B, C, D, E, F, G, H, I, J) {
 	return t.FieldA, t.FieldB, t.FieldC, t.FieldD, t.FieldE, t.FieldF, t.FieldG, t.FieldH, t.FieldI, t.FieldJ
 }
 
 // NewTuple10 creates a 10 elemnets tuple from a list of values.
-// Play: todo
+// Play: https://go.dev/play/p/799qqZg0hUv
 func NewTuple10[A any, B any, C any, D any, E any, F any, G any, H any, I any, J any](a A, b B, c C, d D, e E, f F, g G, h H, i I, j J) Tuple10[A, B, C, D, E, F, G, H, I, J] {
 	return Tuple10[A, B, C, D, E, F, G, H, I, J]{FieldA: a, FieldB: b, FieldC: c, FieldD: d, FieldE: e, FieldF: f, FieldG: g, FieldH: h, FieldI: i, FieldJ: j}
 }
 
 // Zip10 create a slice of Tuple10, whose elements are correspond to the given slice elements.
-// Play: todo
+// Play: https://go.dev/play/p/YSR-2cXnrY4
 func Zip10[A any, B any, C any, D any, E any, F any, G any, H any, I any, J any](a []A, b []B, c []C, d []D, e []E, f []F, g []G, h []H, i []I, j []J) []Tuple10[A, B, C, D, E, F, G, H, I, J] {
 	size := mathutil.Max(len(a), len(b), len(c), len(d), len(e), len(f), len(g), len(h), len(i), len(j))
 
@@ -595,7 +595,7 @@ func Zip10[A any, B any, C any, D any, E any, F any, G any, H any, I any, J any]
 }
 
 // Unzip10 creates a group of slice from a slice of Tuple10.
-// Play: todo
+// Play: https://go.dev/play/p/-taQB6Wfre_z
 func Unzip10[A any, B any, C any, D any, E any, F any, G any, H any, I any, J any](tuples []Tuple10[A, B, C, D, E, F, G, H, I, J]) ([]A, []B, []C, []D, []E, []F, []G, []H, []I, []J) {
 	size := len(tuples)