A (scoped) mapping of names to their definitions (BuiltIns). The BuiltIns|BuiltInEnvironment holds R's built-in functions and constants; use builtInEnvJsonReplacer during serialization to avoid inlining it.
Readonly
The currently active environment (the stack is represented by the IEnvironment#parent chain).
nesting level of the environment, will be 0 for the global/root environment
0
A (scoped) mapping of names to their definitions (BuiltIns). The BuiltIns|BuiltInEnvironment holds R's built-in functions and constants; use builtInEnvJsonReplacer during serialization to avoid inlining it.