rubygem-ast: rubygem-ast (a library for working with abstract syntax trees) rubygem-ast: rubygem-ast: ast is a small library for working with immutable abstract syntax rubygem-ast: trees. rubygem-ast: rubygem-ast: https://github.com/whitequark/ast rubygem-ast: rubygem-ast: rubygem-ast: rubygem-ast: rubygem-ast: