v0.0.559 Add .Iterate and .IterateFunc methods to wmo

go.mod

@@ -21,17 +21,17 @@ require (
 )
 
 require (
-	github.com/bytedance/sonic v1.12.7 // indirect
+	github.com/bytedance/sonic v1.12.8 // indirect
-	github.com/bytedance/sonic/loader v0.2.2 // indirect
+	github.com/bytedance/sonic/loader v0.2.3 // indirect
-	github.com/cloudwego/base64x v0.1.4 // indirect
+	github.com/cloudwego/base64x v0.1.5 // indirect
 	github.com/cloudwego/iasm v0.2.0 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.8 // indirect
 	github.com/gin-contrib/sse v1.0.0 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.23.0 // indirect
+	github.com/go-playground/validator/v10 v10.24.0 // indirect
-	github.com/goccy/go-json v0.10.4 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
 	github.com/google/uuid v1.5.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
@@ -55,7 +55,7 @@ require (
 	golang.org/x/image v0.23.0 // indirect
 	golang.org/x/net v0.34.0 // indirect
 	golang.org/x/text v0.21.0 // indirect
-	google.golang.org/protobuf v1.36.2 // indirect
+	google.golang.org/protobuf v1.36.4 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	modernc.org/libc v1.37.6 // indirect
 	modernc.org/mathutil v1.6.0 // indirect

go.sum

@@ -11,6 +11,8 @@ github.com/bytedance/sonic v1.12.6 h1:/isNmCUF2x3Sh8RAp/4mh4ZGkcFAX/hLrzrK3AvpRz
 github.com/bytedance/sonic v1.12.6/go.mod h1:B8Gt/XvtZ3Fqj+iSKMypzymZxw/FVwgIGKzMzT9r/rk=
 github.com/bytedance/sonic v1.12.7 h1:CQU8pxOy9HToxhndH0Kx/S1qU/CuS9GnKYrGioDcU1Q=
 github.com/bytedance/sonic v1.12.7/go.mod h1:tnbal4mxOMju17EGfknm2XyYcpyCnIROYOEYuemj13I=
+github.com/bytedance/sonic v1.12.8 h1:4xYRVRlXIgvSZ4e8iVTlMF5szgpXd4AfvuWgA8I8lgs=
+github.com/bytedance/sonic v1.12.8/go.mod h1:uVvFidNmlt9+wa31S1urfwwthTWteBgG0hWuoKAXTx8=
 github.com/bytedance/sonic/loader v0.1.1/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU=
 github.com/bytedance/sonic/loader v0.2.0 h1:zNprn+lsIP06C/IqCHs3gPQIvnvpKbbxyXQP1iU4kWM=
 github.com/bytedance/sonic/loader v0.2.0/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU=
@@ -18,8 +20,12 @@ github.com/bytedance/sonic/loader v0.2.1 h1:1GgorWTqf12TA8mma4DDSbaQigE2wOgQo7iC
 github.com/bytedance/sonic/loader v0.2.1/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU=
 github.com/bytedance/sonic/loader v0.2.2 h1:jxAJuN9fOot/cyz5Q6dUuMJF5OqQ6+5GfA8FjjQ0R4o=
 github.com/bytedance/sonic/loader v0.2.2/go.mod h1:N8A3vUdtUebEY2/VQC0MyhYeKUFosQU6FxH2JmUe6VI=
+github.com/bytedance/sonic/loader v0.2.3 h1:yctD0Q3v2NOGfSWPLPvG2ggA2kV6TS6s4wioyEqssH0=
+github.com/bytedance/sonic/loader v0.2.3/go.mod h1:N8A3vUdtUebEY2/VQC0MyhYeKUFosQU6FxH2JmUe6VI=
 github.com/cloudwego/base64x v0.1.4 h1:jwCgWpFanWmN8xoIUHa2rtzmkd5J2plF/dnLS6Xd/0Y=
 github.com/cloudwego/base64x v0.1.4/go.mod h1:0zlkT4Wn5C6NdauXdJRhSKRlJvmclQ1hhJgA0rcu/8w=
+github.com/cloudwego/base64x v0.1.5 h1:XPciSp1xaq2VCSt6lF0phncD4koWyULpl5bUxbfCyP4=
+github.com/cloudwego/base64x v0.1.5/go.mod h1:0zlkT4Wn5C6NdauXdJRhSKRlJvmclQ1hhJgA0rcu/8w=
 github.com/cloudwego/iasm v0.2.0 h1:1KNIy1I1H9hNNFEEH3DVnI4UujN+1zjpuk6gwHLTssg=
 github.com/cloudwego/iasm v0.2.0/go.mod h1:8rXZaNYT2n95jn+zTI1sDr+IgcD2GVs0nlbbQPiEFhY=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
@@ -56,12 +62,16 @@ github.com/go-playground/validator/v10 v10.22.1 h1:40JcKH+bBNGFczGuoBYgX4I6m/i27
 github.com/go-playground/validator/v10 v10.22.1/go.mod h1:dbuPbCMFw/DrkbEynArYaCwl3amGuJotoKCe95atGMM=
 github.com/go-playground/validator/v10 v10.23.0 h1:/PwmTwZhS0dPkav3cdK9kV1FsAmrL8sThn8IHr/sO+o=
 github.com/go-playground/validator/v10 v10.23.0/go.mod h1:dbuPbCMFw/DrkbEynArYaCwl3amGuJotoKCe95atGMM=
+github.com/go-playground/validator/v10 v10.24.0 h1:KHQckvo8G6hlWnrPX4NJJ+aBfWNAE/HH+qdL2cBpCmg=
+github.com/go-playground/validator/v10 v10.24.0/go.mod h1:GGzBIJMuE98Ic/kJsBXbz1x/7cByt++cQ+YOuDM5wus=
 github.com/go-sql-driver/mysql v1.8.1 h1:LedoTUt/eveggdHS9qUFC1EFSa8bU2+1pZjSRpvNJ1Y=
 github.com/go-sql-driver/mysql v1.8.1/go.mod h1:wEBSXgmK//2ZFJyE+qWnIsVGmvmEKlqwuVSjsCm7DZg=
 github.com/goccy/go-json v0.10.3 h1:KZ5WoDbxAIgm2HNbYckL0se1fHD6rz5j4ywS6ebzDqA=
 github.com/goccy/go-json v0.10.3/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
 github.com/goccy/go-json v0.10.4 h1:JSwxQzIqKfmFX1swYPpUThQZp/Ka4wzJdK0LWVytLPM=
 github.com/goccy/go-json v0.10.4/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
+github.com/goccy/go-json v0.10.5 h1:Fq85nIqj+gXn/S5ahsiTlK3TmC85qgirsdTP/+DeaC4=
+github.com/goccy/go-json v0.10.5/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/golang/snappy v0.0.4 h1:yAGX7huGHXlcLOEtBnF4w7FQwA26wojNCwOYAEhLjQM=
 github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
@@ -255,6 +265,8 @@ google.golang.org/protobuf v1.36.1 h1:yBPeRvTftaleIgM3PZ/WBIZ7XM/eEYAaEyCwvyjq/g
 google.golang.org/protobuf v1.36.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 google.golang.org/protobuf v1.36.2 h1:R8FeyR1/eLmkutZOM5CWghmo5itiG9z0ktFlTVLuTmU=
 google.golang.org/protobuf v1.36.2/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
+google.golang.org/protobuf v1.36.4 h1:6A3ZDJHn/eNqc1i+IdefRzy/9PokBTPvcqMySR7NNIM=
+google.golang.org/protobuf v1.36.4/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

goextVersion.go

@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.558"
+const GoextVersion = "0.0.559"
 
-const GoextVersionTimestamp = "2025-01-10T15:36:23+0100"
+const GoextVersionTimestamp = "2025-01-28T15:55:18+0100"

langext/iter.go

@@ -0,0 +1,21 @@
+package langext
+
+import (
+	"iter"
+)
+
+func IterSingleValueSeq[T any](value T) iter.Seq[T] {
+	return func(yield func(T) bool) {
+		if !yield(value) {
+			return
+		}
+	}
+}
+
+func IterSingleValueSeq2[T1 any, T2 any](v1 T1, v2 T2) iter.Seq2[T1, T2] {
+	return func(yield func(T1, T2) bool) {
+		if !yield(v1, v2) {
+			return
+		}
+	}
+}

wmo/queryFind.go

@@ -7,9 +7,10 @@ import (
 	"go.mongodb.org/mongo-driver/mongo/options"
 	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
 	"gogs.mikescher.com/BlackForestBytes/goext/langext"
+	"iter"
 )
 
-func (c *Coll[TData]) Find(ctx context.Context, filter bson.M, opts ...*options.FindOptions) ([]TData, error) {
+func (c *Coll[TData]) createFindQuery(ctx context.Context, filter bson.M, opts ...*options.FindOptions) (*mongo.Cursor, error) {
 
 	pipeline := mongo.Pipeline{}
 	pipeline = append(pipeline, bson.D{{Key: "$match", Value: filter}})
@@ -64,6 +65,16 @@ func (c *Coll[TData]) Find(ctx context.Context, filter bson.M, opts ...*options.
 		return nil, exerr.Wrap(err, "mongo-aggregation failed").Any("pipeline", pipeline).Str("collection", c.Name()).Build()
 	}
 
+	return cursor, nil
+}
+
+func (c *Coll[TData]) Find(ctx context.Context, filter bson.M, opts ...*options.FindOptions) ([]TData, error) {
+
+	cursor, err := c.createFindQuery(ctx, filter, opts...)
+	if err != nil {
+		return nil, exerr.Wrap(err, "").Build()
+	}
+
 	defer func() { _ = cursor.Close(ctx) }()
 
 	res, err := c.decodeAll(ctx, cursor)
@@ -74,6 +85,58 @@ func (c *Coll[TData]) Find(ctx context.Context, filter bson.M, opts ...*options.
 	return res, nil
 }
 
+func (c *Coll[TData]) IterateFunc(ctx context.Context, filter bson.M, fn func(v TData) error, opts ...*options.FindOptions) error {
+
+	cursor, err := c.createFindQuery(ctx, filter, opts...)
+	if err != nil {
+		return exerr.Wrap(err, "").Build()
+	}
+
+	defer func() { _ = cursor.Close(ctx) }()
+
+	for cursor.Next(ctx) {
+
+		v, err := c.decodeSingle(ctx, cursor)
+		if err != nil {
+			return exerr.Wrap(err, "").Build()
+		}
+
+		err = fn(v)
+		if err != nil {
+			return exerr.Wrap(err, "").Build()
+		}
+
+	}
+
+	return nil
+}
+
+func (c *Coll[TData]) Iterate(ctx context.Context, filter bson.M, opts ...*options.FindOptions) iter.Seq2[TData, error] {
+
+	cursor, err := c.createFindQuery(ctx, filter, opts...)
+	if err != nil {
+		return langext.IterSingleValueSeq2[TData, error](nil, exerr.Wrap(err, "").Build())
+	}
+
+	return func(yield func(TData, error) bool) {
+		defer func() { _ = cursor.Close(ctx) }()
+
+		for cursor.Next(ctx) {
+			v, err := c.decodeSingle(ctx, cursor)
+			if err != nil {
+				if !yield(nil, err) {
+					return
+				}
+				continue
+			}
+
+			if !yield(v, nil) {
+				return
+			}
+		}
+	}
+}
+
 // converts FindOptions to AggregateOptions
 func convertFindOpt(v *options.FindOptions) (*options.AggregateOptions, error) {
 	if v == nil {