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doc: add go playground demo

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dudaodong
2024-03-06 15:28:55 +08:00
parent 1b31014f81
commit a6eaaef563
11 changed files with 127 additions and 26 deletions
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1
function/function.go
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@@ -139,6 +139,7 @@ func Pipeline[T any](funcs ...func(T) T) func(T) T {
// AcceptIf returns another function of the same signature as the apply function but also includes a bool value to indicate success or failure.
// A predicate function that takes an argument of type T and returns a bool.
// An apply function that also takes an argument of type T and returns a modified value of the same type.
// Play: https://go.dev/play/p/XlXHHtzCf7d
func AcceptIf[T any](predicate func(T) bool, apply func(T) T) func(T) (T, bool) {
if predicate == nil {
panic("programming error: predicate must be not nil")

6
function/predicate.go
View File

@@ -2,6 +2,7 @@ package function
// And returns a composed predicate that represents the logical AND of a list of predicates.
// It evaluates to true only if all predicates evaluate to true for the given value.
// Play: https://go.dev/play/p/dTBHJMQ0zD2
func And[T any](predicates ...func(T) bool) func(T) bool {
if len(predicates) < 2 {
panic("programming error: predicates count must be at least 2")
@@ -18,6 +19,7 @@ func And[T any](predicates ...func(T) bool) func(T) bool {
// Nand returns a composed predicate that represents the logical NAND of a list of predicates.
// It evaluates to true only if all predicates evaluate to false for the given value.
// Play: https://go.dev/play/p/Rb-FdNGpgSO
func Nand[T any](predicates ...func(T) bool) func(T) bool {
if len(predicates) < 2 {
panic("programming error: predicates count must be at least 2")
@@ -33,6 +35,7 @@ func Nand[T any](predicates ...func(T) bool) func(T) bool {
}
// Negate returns a predicate that represents the logical negation of this predicate.
// Play: https://go.dev/play/p/jbI8BtgFnVE
func Negate[T any](predicate func(T) bool) func(T) bool {
return func(value T) bool {
return !predicate(value)
@@ -41,6 +44,7 @@ func Negate[T any](predicate func(T) bool) func(T) bool {
// Or returns a composed predicate that represents the logical OR of a list of predicates.
// It evaluates to true if at least one of the predicates evaluates to true for the given value.
// Play: https://go.dev/play/p/LitCIsDFNDA
func Or[T any](predicates ...func(T) bool) func(T) bool {
if len(predicates) < 2 {
panic("programming error: predicates count must be at least 2")
@@ -57,6 +61,7 @@ func Or[T any](predicates ...func(T) bool) func(T) bool {
// Nor returns a composed predicate that represents the logical NOR of a list of predicates.
// It evaluates to true only if all predicates evaluate to false for the given value.
// Play: https://go.dev/play/p/2KdCoBEOq84
func Nor[T any](predicates ...func(T) bool) func(T) bool {
if len(predicates) < 2 {
panic("programming error: predicates count must be at least 2")
@@ -73,6 +78,7 @@ func Nor[T any](predicates ...func(T) bool) func(T) bool {
// Xnor returns a composed predicate that represents the logical XNOR of a list of predicates.
// It evaluates to true only if all predicates evaluate to true or false for the given value.
// Play: https://go.dev/play/p/FJxko8SFbqc
func Xnor[T any](predicates ...func(T) bool) func(T) bool {
if len(predicates) < 2 {
panic("programming error: predicates count must be at least 2")