19 lines
583 B
Nim
19 lines
583 B
Nim
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type
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NdString* = ptr object
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len: uint32
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chars: UncheckedArray[char]
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proc newString*(str: string): NdString =
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let strlen = str.len()
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let len = 4 + strlen
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result = cast[NdString](alloc(len))
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result.len = strlen.uint32
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copyMem(result.chars[0].unsafeAddr, str[0].unsafeAddr, strlen)
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proc `$`*(ndStr: NdString): string =
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result = newString(ndStr.len.int)
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copyMem(result[0].unsafeAddr, ndStr.chars[0].unsafeAddr, ndStr.len.int)
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proc `&`*(left, right: NdString): NdString =
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# TODO optimize this later when strings will be benchmarked
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newString($left & $right)
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