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A variable length integer encoding implementation inspired by SQLite.

Unstable API.


maxVarIntLen = 9
the maximal number of bytes a varint can take   Source   Edit


proc decodeZigzag(x: uint64): int64 {.inline, ...raises: [], tags: [].}
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proc encodeZigzag(x: int64): uint64 {.inline, ...raises: [], tags: [].}
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proc readVu64(z: openArray[byte]; pResult: var uint64): int {....raises: [],
    tags: [].}
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proc writeVu64(z: var openArray[byte]; x: uint64): int {....raises: [], tags: [].}
Write a varint into z. The buffer z must be at least 9 characters long to accommodate the largest possible varint. Returns the number of bytes used.   Source   Edit