lancet/docs/formatter.md

Formatter

formatter contains some functions for data formatting.

Source:

• https://github.com/duke-git/lancet/blob/main/formatter/formatter.go

Usage:

import (
    "github.com/duke-git/lancet/v2/formatter"
)

Index

• Comma

Documentation

Comma

Add comma to a number value by every 3 numbers from right to left. ahead by symbol char. if value is a invalid number string like "aa", return empty string.

Signature:

func Comma[T constraints.Float | constraints.Integer | string](value T, symbol string) string

Example:

package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/formatter"
)

func main() {
    fmt.Println(formatter.Comma("12345", ""))   // "12,345"
    fmt.Println(formatter.Comma(12345.67, "¥")) // "¥12,345.67"
}