40 lines
1.3 KiB
Nim
40 lines
1.3 KiB
Nim
# Nimbus - Types, data structures and shared utilities used in network sync
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#
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# Copyright (c) 2018-2021 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or
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# distributed except according to those terms.
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## Iterators for non-persistent backend of the Kvt DB
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## ==================================================
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##
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import
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eth/common,
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../kvt_init/[memory_db, memory_only],
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../kvt_init
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export
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memory_db,
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memory_only
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# ------------------------------------------------------------------------------
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# Public iterators (all in one)
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# ------------------------------------------------------------------------------
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iterator walkPairs*(
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be: MemBackendRef|VoidBackendRef;
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): tuple[key: Blob, data: Blob] =
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## Iterate over backend filters.
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when be isnot VoidBackendRef:
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mixin walk
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for (k,v) in be.walk:
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yield (k,v)
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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