Replace sort.Sort(ByOrder(...)) with slices.SortFunc

src/result.go

@@ -2,6 +2,7 @@ package fzf
 
 import (
 	"math"
+	"slices"
 	"sort"
 	"unicode"
 
@@ -30,7 +31,7 @@ type Result struct {
 
 func buildResult(item *Item, offsets []Offset, score int) Result {
 	if len(offsets) > 1 {
-		sort.Sort(ByOrder(offsets))
+		slices.SortFunc(offsets, compareOffsets)
 	}
 
 	minBegin := math.MaxUint16
@@ -187,7 +188,7 @@ func (result *Result) colorOffsets(matchOffsets []Offset, nthOffsets []Offset, t
 		}
 	}
 
-	// sort.Sort(ByOrder(offsets))
+	// slices.SortFunc(offsets, compareOffsets)
 
 	// Merge offsets
 	// ------------  ----  --  ----
@@ -297,21 +298,20 @@ func (result *Result) colorOffsets(matchOffsets []Offset, nthOffsets []Offset, t
 	return colors
 }
 
-// ByOrder is for sorting substring offsets
-type ByOrder []Offset
-
-func (a ByOrder) Len() int {
-	return len(a)
-}
-
-func (a ByOrder) Swap(i, j int) {
-	a[i], a[j] = a[j], a[i]
-}
-
-func (a ByOrder) Less(i, j int) bool {
-	ioff := a[i]
-	joff := a[j]
-	return (ioff[0] < joff[0]) || (ioff[0] == joff[0]) && (ioff[1] <= joff[1])
+func compareOffsets(a, b Offset) int {
+	if a[0] < b[0] {
+		return -1
+	}
+	if a[0] > b[0] {
+		return 1
+	}
+	if a[1] < b[1] {
+		return -1
+	}
+	if a[1] > b[1] {
+		return 1
+	}
+	return 0
 }
 
 // ByRelevance is for sorting Items

src/result_test.go

@@ -3,6 +3,7 @@ package fzf
 import (
 	"math"
 	"math/rand"
+	"slices"
 	"sort"
 	"testing"
 
@@ -19,7 +20,7 @@ func TestOffsetSort(t *testing.T) {
 	offsets := []Offset{
 		{3, 5}, {2, 7},
 		{1, 3}, {2, 9}}
-	sort.Sort(ByOrder(offsets))
+	slices.SortFunc(offsets, compareOffsets)
 
 	if offsets[0][0] != 1 || offsets[0][1] != 3 ||
 		offsets[1][0] != 2 || offsets[1][1] != 7 ||

src/terminal.go

@@ -13,6 +13,7 @@ import (
 	"os/exec"
 	"os/signal"
 	"regexp"
+	"slices"
 	"sort"
 	"strconv"
 	"strings"
@@ -3751,7 +3752,7 @@ func (t *Terminal) printHighlighted(result Result, colBase tui.ColorPair, colMat
 			offset := Offset{int32(p), int32(p + w)}
 			charOffsets[idx] = offset
 		}
-		sort.Sort(ByOrder(charOffsets))
+		slices.SortFunc(charOffsets, compareOffsets)
 	}
 
 	// When postTask is nil, we're printing header lines. No need to care about nth.
@@ -3788,7 +3789,7 @@ func (t *Terminal) printHighlighted(result Result, colBase tui.ColorPair, colMat
 				end := start + int32(length)
 				nthOffsets[i] = Offset{int32(start), int32(end)}
 			}
-			sort.Sort(ByOrder(nthOffsets))
+			slices.SortFunc(nthOffsets, compareOffsets)
 		}
 	}
 	allOffsets := result.colorOffsets(charOffsets, nthOffsets, t.theme, colBase, colMatch, t.nthAttr, nthOverlay, hidden)