30 lines
392 B
Go
30 lines
392 B
Go
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package jsonint
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func isNumeric(data []byte) bool {
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if len(data) <= 0 {
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return false
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}
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{
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datum := data[0]
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if '-' == datum || '+' == datum {
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data = data[1:]
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if len(data) <= 0 {
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return false
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}
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}
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}
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// This is safe to do even though it is UTF-8 encoded Unicode.
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for _, datum := range data {
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if datum < '0' || '9' < datum {
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return false
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}
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}
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return true
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}
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