types_func.go

package gotype

import (
	"bytes"
)

type typeFunc struct {
	typeBase
	variadic bool
	params   types
	results  types
}

func (t *typeFunc) String() string {
	buf := bytes.NewBuffer(nil)
	buf.WriteString("func(")
	for i, v := range t.params {
		if i != 0 {
			buf.WriteString(", ")
		}
		buf.WriteString(v.String())
	}
	if t.variadic {
		buf.WriteString("...")
	}
	buf.WriteString(") (")

	for i, v := range t.results {
		if i != 0 {
			buf.WriteString(", ")
		}
		buf.WriteString(v.String())
	}
	buf.WriteString(")")
	return buf.String()
}

func (t *typeFunc) Kind() Kind {
	return Func
}

func (t *typeFunc) NumOut() int {
	return t.results.Len()
}

func (t *typeFunc) Out(i int) Type {
	return t.results.Index(i)
}

func (t *typeFunc) NumIn() int {
	return t.params.Len()
}

func (t *typeFunc) In(i int) Type {
	return t.params.Index(i)
}

func (t *typeFunc) IsVariadic() bool {
	return t.variadic
}