parse

package
v0.9.0 Latest Latest
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 Go to latest Published: Oct 4, 2024 License: BSD-3-Clause Imports: 4 Imported by: 0

Documentation

Overview

Package parse is used to convert strings when the target type is unknown at compile-time.

Index

Examples

Constants

This section is empty.

Variables

This section is empty.

Functions

func AssignValue 

func AssignValue(field reflect.Value, text string) error

AssignValue parses the string ans assigns the value to the field. The parse will be selected based on the field's type. The field must either be a non-nil pointer, or an addressable and settable value.

Types

type ConversionError 

type ConversionError struct {
	// contains filtered or unexported fields
}
Example 
package main

import (
	"fmt"
	"reflect"

	"git.sr.ht/~rj/flags/internal/parse"
)

func main() {
	var i int

	err := parse.AssignValue(reflect.ValueOf(&i), "123.4")
	if err != nil {
		fmt.Printf("error: %s\n", err)
	}

}

Output:

error: could not convert '123.4': strconv.ParseInt: parsing "123.4": invalid syntax

func (*ConversionError) Error 

func (e *ConversionError) Error() string

func (*ConversionError) Unwrap 

func (e *ConversionError) Unwrap() error

type Value 

type Value interface {
	String() string
	Set(string) error
}

Value is the interface to the dynamic value stored in a flag.

Source Files

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