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https://github.com/rjNemo/underscore
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refactor: rename Some to Any
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7 changed files with 48 additions and 48 deletions
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@ -87,6 +87,7 @@ go test ./...
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### Collections
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- `All`
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- `Any`
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- `Contains` (only numerics values at the moment)
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- `Each`
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- `Filter`
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@ -96,14 +97,13 @@ go test ./...
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- `Min`
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- `Partition`
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- `Reduce`
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- `Some`
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### Chaining
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Calling `chain.Of` will cause all future method calls to return wrapped values. When you've finished the computation,
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call `Value` to retrieve the final value.
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Methods not returning a slice such as `Reduce`, `All`, `Some`, will break the `Chain` and return `Value` instantly.
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Methods not returning a slice such as `Reduce`, `All`, `Any`, will break the `Chain` and return `Value` instantly.
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## Built With
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@ -1,8 +1,8 @@
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package underscore
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// Some returns true if any of the values in the slice pass the predicate truth test.
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// Any returns true if any of the values in the slice pass the predicate truth test.
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// Short-circuits and stops traversing the slice if a true element is found.
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func Some[T any](values []T, predicate func(T) bool) bool {
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func Any[T any](values []T, predicate func(T) bool) bool {
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for _, v := range values {
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if predicate(v) {
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return true
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@ -12,12 +12,12 @@ func TestSome(t *testing.T) {
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nums := []int{1, 2, 4, 6, 8}
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isOdd := func(n int) bool { return n%2 != 0 }
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assert.True(t, u.Some(nums, isOdd))
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assert.True(t, u.Any(nums, isOdd))
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}
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func TestNotSome(t *testing.T) {
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nums := []int{2, 4, 6, 8}
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isOdd := func(n int) bool { return n%2 != 0 }
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assert.False(t, u.Some(nums, isOdd))
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assert.False(t, u.Any(nums, isOdd))
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}
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@ -13,11 +13,25 @@ type Chain[T constraints.Ordered] struct {
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// Of starts a Chain. All future method calls will return Chain structs. When you've finished the computation,
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// call Value to retrieve the final value.
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//
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// Methods not returning a slice such as Reduce, All, Some, will break the chain and return Value instantly.
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// Methods not returning a slice such as Reduce, All, Any, will break the chain and return Value instantly.
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func Of[T constraints.Ordered](value []T) Chain[T] {
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return Chain[T]{Value: value}
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}
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// All returns true if all the values in the slice pass the predicate truth test.
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// Short-circuits and stops traversing the slice if a false element is found.
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// Breaks the Chain.
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func (c Chain[T]) All(predicate func(T) bool) bool {
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return u.All(c.Value, predicate)
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}
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// Any returns true if any of the values in the slice pass the predicate truth test.
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// Short-circuits and stops traversing the slice if a true element is found.
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// Breaks the Chain.
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func (c Chain[T]) Any(predicate func(T) bool) bool {
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return u.Any(c.Value, predicate)
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}
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// Contains returns true if the value is present in the slice and breaks the Chain.
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func (c Chain[T]) Contains(value T) bool {
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return u.Contains(c.Value, value)
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@ -29,13 +43,6 @@ func (c Chain[T]) Each(action func(T)) {
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u.Each(c.Value, action)
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}
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// All returns true if all the values in the slice pass the predicate truth test.
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// Short-circuits and stops traversing the slice if a false element is found.
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// Breaks the Chain.
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func (c Chain[T]) All(predicate func(T) bool) bool {
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return u.All(c.Value, predicate)
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}
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// Filter looks through each value in the slice, returning a slice of all the values that pass a truth test (predicate).
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func (c Chain[T]) Filter(predicate func(n T) bool) Chain[T] {
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return Chain[T]{Value: u.Filter(c.Value, predicate)}
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@ -85,10 +92,3 @@ func (c Chain[T]) Partition(predicate func(T) bool) ([]T, []T) {
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func (c Chain[T]) Reduce(reducer func(n, acc T) T, acc T) T {
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return u.Reduce(c.Value, reducer, acc)
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}
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// Some returns true if any of the values in the slice pass the predicate truth test.
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// Short-circuits and stops traversing the slice if a true element is found.
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// Breaks the Chain.
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func (c Chain[T]) Some(predicate func(T) bool) bool {
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return u.Some(c.Value, predicate)
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}
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@ -53,7 +53,7 @@ func TestChainFilterMapEach(t *testing.T) {
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assert.Equal(t, want, res)
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}
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func TestChainFilterMapEvery(t *testing.T) {
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func TestChainFilterMapAll(t *testing.T) {
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assert.True(t, chain.Of(nums).
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Filter(isEven).
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Map(toSquare).
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@ -97,11 +97,11 @@ func TestChainFilterMapPartition(t *testing.T) {
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assert.Equal(t, wantRight, right)
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}
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func TestChainFilterMapSome(t *testing.T) {
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func TestChainFilterMapAny(t *testing.T) {
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assert.True(t, chain.Of(nums).
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Filter(isEven).
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Map(toSquare).
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Some(func(n int) bool { return n%64 == 0 }))
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Any(func(n int) bool { return n%64 == 0 }))
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}
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var nums = []int{1, 2, 3, 4, 5, 6, 7, 8, 9}
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@ -3,12 +3,12 @@ title: "Chaining"
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date: 2021-12-31T13:11:41-04:00
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---
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## NewChain
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## Of
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Calling `NewChain` will cause all future method calls to return wrapped objects. When you've finished the computation,
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Calling `Of` will cause all future method calls to return wrapped objects. When you've finished the computation,
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call `Value` to retrieve the final value.
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Methods not returning a collection such as `Reduce`, `All`, `Some`, will break the chain and return `Value` instantly.
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Methods not returning a collection such as `Reduce`, `All`, `Any`, will break the chain and return `Value` instantly.
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```go
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package main
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@ -2,7 +2,7 @@
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title: "Collections"
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date: 2021-12-30T13:24:39-04:00
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---
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## All
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`All` returns true if all the values in the slice pass the predicate truth test.\
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@ -23,6 +23,26 @@ func main() {
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}
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```
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## Any
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`Any` returns true if any of the values in the slice pass the predicate truth test. Short-circuits and stops traversing
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the slice if a true element is found.
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```go
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package main
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import (
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"fmt"
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u "github.com/rjNemo/underscore"
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)
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func main() {
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nums := []int{1, 2, 4, 6, 8}
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isEven := func(n int) bool { return n%2 == 0 }
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fmt.Println(u.Any(nums, isEven)) // true
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}
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```
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## Contains
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`Contains` returns true if the value is present in the slice.
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@ -209,23 +229,3 @@ func main() {
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fmt.Println(u.Reduce(nums, sum, 0)) // 45
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}
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```
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## Some
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`Some` returns true if any of the values in the slice pass the predicate truth test. Short-circuits and stops traversing
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the slice if a true element is found.
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```go
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package main
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import (
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"fmt"
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u "github.com/rjNemo/underscore"
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)
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func main() {
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nums := []int{1, 2, 4, 6, 8}
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isEven := func(n int) bool { return n%2 == 0 }
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fmt.Println(u.Some(nums, isEven)) // true
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}
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```
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