Generate Seq

internal/bindgen/seq.go.tmpl

@@ -0,0 +1,34 @@
+{{define "func"}}{{if gt . 1 -}}
+func Seq{{.}}[In, Out{{range .Count}}, T{{.}}{{end}} any](
+	{{- range .Count}}
+	p{{.}} Parser[In, T{{.}}],{{end}}
+	f func({{range .Count}}{{if ne . 1}}, {{end}}T{{.}}{{end}}) Out,
+) Parser[In, Out] {
+	return func(s State[In]) (Result[In, Out], error) {
+		var anyConsumed bool
+		var failed bool
+		var msg Message
+		var next = s
+{{range .Count}}
+		r{{.}}, err := p{{.}}(next)
+		if err != nil {
+			return Result[In, Out]{}, err
+		}
+		anyConsumed = anyConsumed || r{{.}}.Consumed()
+		failed, _, msg = r{{.}}.Failed()
+		if failed {
+			return Fail[In, Out](anyConsumed, msg), nil
+		}
+		_, _, val{{.}}, next, _ := r{{.}}.Succeeded()
+{{end}}
+		final := f({{range .Count}}{{if ne . 1}}, {{end}}val{{.}}{{end}})
+		return Succeed(anyConsumed, final, next, MessageOK(s.Pos())), nil
+	}
+}{{end}}{{end -}}
+
+// GENERATED FILE. DO NOT EDIT.
+
+package {{.Package}}
+{{range .Count}}{{template "func" .}}
+
+{{end}}