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Pull request 2195: upd-go-code

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Squashed commit of the following:

commit a1bd3c249be043108c84a902d2e88bf80946d444
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Apr 4 14:59:37 2024 +0300

    all: upd more

commit 9e55bbb02c2af2064aa2a2ca7b49fd28b544a02c
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Apr 4 14:12:45 2024 +0300

    all: upd go code
This commit is contained in:
Ainar Garipov
2024-04-04 15:52:39 +03:00
parent 0e1e568899
commit ee619b2dbd
34 changed files with 64 additions and 111 deletions
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21
internal/aghalg/aghalg.go
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@@ -10,29 +10,8 @@ import (
"golang.org/x/exp/constraints"
)
// Coalesce returns the first non-zero value. It is named after function
// COALESCE in SQL. If values or all its elements are empty, it returns a zero
// value.
//
// T is comparable, because Go currently doesn't have a comparableWithZeroValue
// constraint.
//
// TODO(a.garipov): Think of ways to merge with [CoalesceSlice].
func Coalesce[T comparable](values ...T) (res T) {
var zero T
for _, v := range values {
if v != zero {
return v
}
}
return zero
}
// CoalesceSlice returns the first non-zero value. It is named after function
// COALESCE in SQL. If values or all its elements are empty, it returns nil.
//
// TODO(a.garipov): Think of ways to merge with [Coalesce].
func CoalesceSlice[E any, S []E](values ...S) (res S) {
for _, v := range values {
if v != nil {