TarnaWijaya
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50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
package sliceutil
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import "slices"
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// Convert converts a slice of type B to a slice of type A. Convert panics if B
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// cannot be type asserted to type A.
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func Convert[A, B any, S ~[]B](v S) []A {
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a := make([]A, len(v))
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for i, b := range v {
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a[i] = (any)(b).(A)
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}
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return a
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}
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// SearchValue iterates through slice v, calling function f for every element.
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// If true is returned in this function, the respective element is returned and
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// ok is true. If the function f does not return true for any element, false is
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// returned.
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func SearchValue[A any, S ~[]A](v S, f func(a A) bool) (a A, ok bool) {
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for _, val := range v {
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if f(val) {
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return val, true
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}
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}
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return
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}
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// Filter iterates over elements of collection, returning an array of all
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// elements function c returns true for.
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func Filter[E any](s []E, c func(E) bool) []E {
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a := make([]E, 0, len(s))
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for _, e := range s {
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if c(e) {
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a = append(a, e)
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}
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}
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return a
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}
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// DeleteVal deletes the first occurrence of a value in a slice of the type E
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// and returns a new slice without the value.
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func DeleteVal[E any](s []E, v E) []E {
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for i, vs := range s {
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if (any)(v) == (any)(vs) {
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return slices.Delete(s, i, i+1)
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}
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}
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return s
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}
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