17 lines
643 B
Markdown
17 lines
643 B
Markdown
# Contributing
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Bug fixes and other contributions via pull request greatly welcomed!
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This library relies on [goyacc](https://godoc.org/golang.org/x/tools/cmd/goyacc) and
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[golex](https://godoc.org/modernc.org/golex) for parsing and evaluating datemath grammar.
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To install, run:
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* `go get golang.org/x/tools/cmd/goyacc modernc.org/golex`
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After modifying either the `datemath.l` or `datemath.y` you can rerun `go generate`.
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When in doubt on semantics of the library, [Elasticsearch's
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implementation](https://www.elastic.co/guide/en/elasticsearch/reference/7.3/common-options.html#date-math) should be
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considered the canonical specification.
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