gigaparsec/internal/bindgen/seq.go.tmpl

{{/* SPDX-License-Identifier: Unlicense */ -}}

{{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.

// SPDX-License-Identifier: Unlicense

package {{.Package}}
{{range .Count}}{{template "func" .}}

{{end}}