attempt to downgrade go to v1.20

Author: sedletsky-f5

go.mod

@@ -32,6 +32,7 @@ require (
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/xrash/smetrics v0.0.0-20240312152122-5f08fbb34913 // indirect
 	golang.org/x/crypto v0.22.0 // indirect
+	golang.org/x/exp v0.0.0-20240416160154-fe59bbe5cc7f // indirect
 	golang.org/x/oauth2 v0.19.0 // indirect
 	golang.org/x/sys v0.19.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

go.sum

@@ -56,6 +56,8 @@ github.com/yalue/onnxruntime_go v1.9.0 h1:AhgkpBjphJZsHT5karKt93xPkPFNP0Iz6ENUbN
 github.com/yalue/onnxruntime_go v1.9.0/go.mod h1:b4X26A8pekNb1ACJ58wAXgNKeUCGEAQ9dmACut9Sm/4=
 golang.org/x/crypto v0.22.0 h1:g1v0xeRhjcugydODzvb3mEM9SQ0HGp9s/nh3COQ/C30=
 golang.org/x/crypto v0.22.0/go.mod h1:vr6Su+7cTlO45qkww3VDJlzDn0ctJvRgYbC2NvXHt+M=
+golang.org/x/exp v0.0.0-20240416160154-fe59bbe5cc7f h1:99ci1mjWVBWwJiEKYY6jWa4d2nTQVIEhZIptnrVb1XY=
+golang.org/x/exp v0.0.0-20240416160154-fe59bbe5cc7f/go.mod h1:/lliqkxwWAhPjf5oSOIJup2XcqJaw8RGS6k3TGEc7GI=
 golang.org/x/net v0.21.0 h1:AQyQV4dYCvJ7vGmJyKki9+PBdyvhkSd8EIx/qb0AYv4=
 golang.org/x/oauth2 v0.19.0 h1:9+E/EZBCbTLNrbN35fHv/a/d/mOBatymz1zbtQrXpIg=
 golang.org/x/oauth2 v0.19.0/go.mod h1:vYi7skDa1x015PmRRYZ7+s1cWyPgrPiSYRe4rnsexc8=

hugot.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"slices"
 
 	util "github.com/knights-analytics/hugot/utils"
 
@@ -34,7 +33,7 @@ func (m pipelineMap[T]) Destroy() error {
 func (m pipelineMap[T]) GetStats() []string {
 	var stats []string
 	for _, p := range m {
-		stats = slices.Concat(stats, p.GetStats())
+		stats = append(stats, p.GetStats()...)
 	}
 	return stats
 }
@@ -299,9 +298,10 @@ func (s *Session) Destroy() error {
 // the number of batch calls to the onnxruntime inference
 // the average time per onnxruntime inference batch call
 func (s *Session) GetStats() []string {
-	return slices.Concat(s.tokenClassificationPipelines.GetStats(),
+	// slices.Concat() is not implemented in experimental x/exp/slices package
+	return append(s.tokenClassificationPipelines.GetStats(),
 		s.textClassificationPipelines.GetStats(),
-		s.featureExtractionPipelines.GetStats(),
+		s.featureExtractionPipelines.GetStats()...
 	)
 }
 

pipelines/tokenClassification.go

@@ -3,9 +3,11 @@ package pipelines
 import (
 	"errors"
 	"fmt"
-	"slices"
 	"strings"
 
+	// according to https://freshman.tech/snippets/go/check-if-slice-contains-element
+	"golang.org/x/exp/slices"
+
 	ort "github.com/yalue/onnxruntime_go"
 
 	util "github.com/knights-analytics/hugot/utils"

utils/vectors.go

@@ -3,7 +3,7 @@ package util
 import (
 	"fmt"
 	"math"
-	"slices"
+	"golang.org/x/exp/slices" // like in tokenClassification.go
 )
 
 // Mean of a float32 vector.