mirror of
https://github.com/duke-git/lancet.git
synced 2026-02-06 21:52:28 +08:00
66 lines
1.2 KiB
Markdown
66 lines
1.2 KiB
Markdown
# Formatter
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formatter contains some functions for data formatting.
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<div STYLE="page-break-after: always;"></div>
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## Source:
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- [https://github.com/duke-git/lancet/blob/main/formatter/formatter.go](https://github.com/duke-git/lancet/blob/main/formatter/formatter.go)
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<div STYLE="page-break-after: always;"></div>
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## Usage:
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```go
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import (
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"github.com/duke-git/lancet/v2/formatter"
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)
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```
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<div STYLE="page-break-after: always;"></div>
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## Index
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- [Comma](#Comma)
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<div STYLE="page-break-after: always;"></div>
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## Documentation
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### <span id="Comma">Comma</span>
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<p>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.</p>
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<b>Signature:</b>
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```go
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func Comma[T constraints.Float | constraints.Integer | string](value T, symbol string) string
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```
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<b>Example:</b>
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```go
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package main
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import (
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"fmt"
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"github.com/duke-git/lancet/v2/formatter"
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)
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func main() {
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result1 := formatter.Comma("123", "")
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result2 := formatter.Comma("12345", "$")
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result3 := formatter.Comma(1234567, "￥")
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fmt.Println(result1)
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fmt.Println(result2)
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fmt.Println(result3)
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// Output:
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// 123
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// $12,345
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// ￥1,234,567
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}
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```
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