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https://github.com/rjNemo/underscore
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minor documentation fixes
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commit
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10 changed files with 17 additions and 11 deletions
4
join.go
4
join.go
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@ -1,6 +1,6 @@
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package underscore
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package underscore
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// Joins two slices together and returns a Tuple of [T, []P], the selectors allow you to pick the
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// Join joins two slices together and returns a Tuple of [T, []P], the selectors allow you to pick the
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// keys you want to use from your struct's to join the sets together
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// keys you want to use from your struct's to join the sets together
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func Join[T, P any, S comparable](
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func Join[T, P any, S comparable](
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left []T,
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left []T,
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@ -18,7 +18,7 @@ func Join[T, P any, S comparable](
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return results
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return results
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}
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}
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// Joins two slices together and returns a []O where O is defined by the output
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// JoinProject joins two slices together and returns a []O where O is defined by the output
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// of your projection function
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// of your projection function
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// The selectors allow you to pick the keys from your structure to use as the join keys
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// The selectors allow you to pick the keys from your structure to use as the join keys
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// While the projection functions allows you to reformat joined datasets
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// While the projection functions allows you to reformat joined datasets
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@ -1,8 +1,9 @@
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package underscore
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package underscore
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// Orders a slice by a field value within a struct, the predicate allows you
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// OrderBy orders a slice by a field value within a struct, the predicate allows you
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// to pick the fields you want to orderBy. Use > for ASC or < for DESC
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// to pick the fields you want to orderBy. Use > for ASC or < for DESC
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// func (left Person, right Person) bool { return left.Age > right.Age }
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//
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// func (left Person, right Person) bool { return left.Age > right.Age }
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func OrderBy[T any](list []T, predicate func(T, T) bool) []T {
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func OrderBy[T any](list []T, predicate func(T, T) bool) []T {
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swaps := true
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swaps := true
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var tmp T
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var tmp T
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@ -1,6 +1,6 @@
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package underscore
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package underscore
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// Convert values to pointers
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// ToPointer Convert values to pointers
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//
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//
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// Instead of:
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// Instead of:
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// v := "value"
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// v := "value"
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2
range.go
2
range.go
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@ -1,6 +1,6 @@
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package underscore
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package underscore
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// Creates a sequence of numbers, i.e. u.Range(0, 3) = [0 1 2 3], while u.Range(3, 0) = [3 2 1 0]
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// Range creates a sequence of numbers, i.e. u.Range(0, 3) = [0 1 2 3], while u.Range(3, 0) = [3 2 1 0]
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func Range(start int, end int) (result []int) {
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func Range(start int, end int) (result []int) {
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if start < end {
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if start < end {
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for i := start; i <= end; i++ {
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for i := start; i <= end; i++ {
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@ -6,14 +6,14 @@ import (
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"golang.org/x/exp/constraints"
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"golang.org/x/exp/constraints"
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)
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)
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// sort any slice ASENDING
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// SortSliceASC sorts any slice ASCENDING
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func SortSliceASC[T constraints.Ordered](s []T) {
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func SortSliceASC[T constraints.Ordered](s []T) {
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sort.SliceStable(s, func(i, j int) bool {
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sort.SliceStable(s, func(i, j int) bool {
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return s[i] < s[j]
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return s[i] < s[j]
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})
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})
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}
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}
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// sort any slice DESCENDING
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// SortSliceDESC sorts any slice DESCENDING
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func SortSliceDESC[T constraints.Ordered](s []T) {
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func SortSliceDESC[T constraints.Ordered](s []T) {
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sort.SliceStable(s, func(i, j int) bool {
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sort.SliceStable(s, func(i, j int) bool {
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return s[i] > s[j]
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return s[i] > s[j]
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4
sum.go
4
sum.go
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@ -10,8 +10,8 @@ func Sum[T constraints.Ordered](values []T) (sum T) {
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return sum
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return sum
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}
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}
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// Sums the values you select from your struct, basically a sort cut instead of
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// SumMap sums the values you select from your struct, basically a sort cut instead of
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// having to perform a u.Map followed by a u.Sum
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// having to perform a [Map] followed by a [Sum].
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func SumMap[T any, R constraints.Ordered](list []T, selector func(T) R) (sum R) {
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func SumMap[T any, R constraints.Ordered](list []T, selector func(T) R) (sum R) {
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for _, v := range list {
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for _, v := range list {
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sum += selector(v)
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sum += selector(v)
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@ -1,5 +1,7 @@
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package underscore
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package underscore
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// Ternary returns the first argument if the condition is true, otherwise the second argument.
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// Ternary is a special form of the if statement. It allows you to write code that is more concise and less verbose.
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func Ternary[T any](condition bool, pos, neg T) T {
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func Ternary[T any](condition bool, pos, neg T) T {
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if condition {
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if condition {
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return pos
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return pos
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2
tuple.go
2
tuple.go
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@ -1,5 +1,7 @@
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package underscore
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package underscore
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// Tuple is a generic tuple type.
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// It is used to return multiple values from a function.
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type Tuple[L, R any] struct {
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type Tuple[L, R any] struct {
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Left L
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Left L
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Right R
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Right R
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@ -1,5 +1,6 @@
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package underscore
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package underscore
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// Unique returns a slice of unique values from the given slice.
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func Unique[T comparable](values []T) (uniques []T) {
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func Unique[T comparable](values []T) (uniques []T) {
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seen := make(map[T]bool, 0)
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seen := make(map[T]bool, 0)
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for _, v := range values {
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for _, v := range values {
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2
zip.go
2
zip.go
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@ -1,6 +1,6 @@
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package underscore
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package underscore
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// Zips two slices togther so all the elements of left slice are attached to the corresponding
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// Zip joins two slices together so all the elements of left slice are attached to the corresponding
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// elements of the right slice, i.e. [one two three] [1 2 3 4] = [{one, 1} {two, 2} {three, 3}]
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// elements of the right slice, i.e. [one two three] [1 2 3 4] = [{one, 1} {two, 2} {three, 3}]
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// the returned data will be the size of the smallest slice
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// the returned data will be the size of the smallest slice
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func Zip[L any, R any](left []L, right []R) []Tuple[L, R] {
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func Zip[L any, R any](left []L, right []R) []Tuple[L, R] {
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