Lean4-metaprogramming-book Alternatives
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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batteries
The "batteries included" extended library for the Lean programming language and theorem prover (by leanprover-community)
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SaaSHub
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lean4-metaprogramming-book reviews and mentions
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Macro-ts: TypeScript compiler with typesafe syntactic macros (2022)
Lean4 manages to pull off changing the parser on the fly at compile time. You can add new productions, add new syntax node types, and add new tokens. Then define macros or code to process the additional syntax. Here is a sample I found that adds a simple JSX-like syntax starting around line 93 and then uses it at line 169:
https://github.com/leanprover/lean4/blob/master/tests/playgr...
I believe most of the language is defined this way, although it is pre-compiled.
For more details see the lean4 metaprogramming book: https://github.com/arthurpaulino/lean4-metaprogramming-book
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leanprover-community/lean4-metaprogramming-book is an open source project licensed under Apache License 2.0 which is an OSI approved license.
The primary programming language of lean4-metaprogramming-book is Lean.
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