x/pkgsite: LeftTrim example is not clear

[monkrus]

What is the URL of the page with the issue?

https://pkg.go.dev/strings#TrimLeft

What is your user agent?

Chrome
Version 103.0.5060.114 (Official Build) (64-bit)

Screenshot

What did you do?

Click on run

import (
	"fmt"
	"strings"
)

func main() {
	fmt.Print(strings.TrimLeft("¡¡¡Hello, Gophers!!!", "!¡"))
}

Run an example

What did you expect to see?

fmt.Print(strings.TrimLeft("¡¡¡Hello, Gophers!!!", "¡"))

What did you see instead?

fmt.Print(strings.TrimLeft("¡¡¡Hello, Gophers!!!", "!¡"))

[seankhliao]

The example is there to show that from the given cutset, only those matching on the left will be removed. just "¡" wouldn't be clear on what happens if ¡ appears elsewhere, eg on the right.

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