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slice_examples_test.go
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/
slice_examples_test.go
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package hex_test
import (
"fmt"
"github.com/ssengalanto/hex"
)
func ExampleFind() {
fn := func(n int) bool {
return n < 3
}
fmt.Println(hex.Find([]int{3, 2, 1}, fn))
fmt.Println(hex.Find([]int{3, 4, 5}, fn))
// Output:
// 2 true
// 0 false
}
func ExampleFindIndex() {
fn := func(n int) bool {
return n == 3
}
fmt.Println(hex.FindIndex([]int{1, 2, 3}, fn))
fmt.Println(hex.FindIndex([]int{0, 1, 2}, fn))
// Output:
// 2
// -1
}
func ExampleMap() {
fmt.Println(hex.Map([]int{1, 2, 3}, func(el int, i int) int {
return el * el
}))
fmt.Println(hex.Map([]int{104, 101, 108, 108, 111}, func(el int, i int) string {
return string(rune(el))
}))
// Output:
// [1 4 9]
// [h e l l o]
}
func ExampleFilter() {
fmt.Println(hex.Filter([]int{1, 2, 3, 4}, func(el int, i int) bool {
return el > 2
}))
fmt.Println(hex.Filter([]int{1, 2, 3, 4}, func(el int, i int) bool {
return el > 5
}))
// Output:
// [3 4]
// []
}
func ExampleChunk() {
fmt.Println(hex.Chunk([]int{1, 2, 3, 4, 5}, 2))
// Output:
// [[1 2] [3 4] [5]]
}
func ExamplePrepend() {
fmt.Println(hex.Prepend([]int{1, 2, 3}, 0))
// Output:
// [0 1 2 3]
}