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https://github.com/MontFerret/ferret.git
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31 lines
692 B
Go
31 lines
692 B
Go
package strings
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import (
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"context"
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"github.com/MontFerret/ferret/pkg/runtime/core"
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"github.com/MontFerret/ferret/pkg/runtime/values"
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)
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// Reverse returns the reverse of the string value.
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// @param text (String) - The string to revers
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// @returns (String) - Returns a reversed version of the string.
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func Reverse(_ context.Context, args ...core.Value) (core.Value, error) {
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err := core.ValidateArgs(args, 1, 1)
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if err != nil {
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return values.EmptyString, err
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}
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text := args[0].String()
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runes := []rune(text)
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size := len(runes)
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// Reverse
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for i := 0; i < size/2; i++ {
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runes[i], runes[size-1-i] = runes[size-1-i], runes[i]
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}
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return values.NewString(string(runes)), nil
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}
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