stdlib: temporarily add AST pattern matching #882
Merged
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Summary
Add the
ast_pattern_matching
module to the experimental standardlibrary. It implements pattern matching for
NimNode
AST and is copiedfrom https://github.com/krux02/ast-pattern-matching.
The first iteration of the language-server protocol (LSP) implementation
is going to use the pattern matching, but it's likely that the module
will be removed from the standard library again.
Details
A copy of the
ast-pattern-matching
implementation already existedwithin the
tests
directory, where it is used by thetastpec.nim
test. The module is moved to the
lib/experimental
directory and theimport is adjusted.