Source: scan.go in package github.com/go-git/gcfg/types

Source File
	scan.go

Belonging Package
	github.com/go-git/gcfg/types

package types

import (
	"fmt"
	"io"
	"reflect"
)

ScanFully uses fmt.Sscanf with verb to fully scan val into ptr.

func ScanFully(ptr interface{}, val string, verb byte) error {

attempt to read extra bytes to make sure the value is consumed

	var b []byte
	n, err := fmt.Sscanf(val, "%"+string(verb)+"%s", ptr, &b)
	switch {
	case n < 1 || n == 1 && err != io.EOF:
		return fmt.Errorf("failed to parse %q as %v: %v", val, t, err)
	case n > 1:
		return fmt.Errorf("failed to parse %q as %v: extra characters %q", val, t, string(b))

n == 1 && err == io.EOF

	return nil


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