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pre_eval_substitute

r::interpreter::builtins::pre_eval

Function pre_eval_substitute 

Source 
fn pre_eval_substitute(
    args: &[Arg],
    env: &Environment,
    _context: &BuiltinContext<'_>,
) -> Result<RValue, RError>
Expand description

Return an unevaluated expression with variables substituted from the environment.

@param expr any R expression (not evaluated) @return the expression with symbols replaced by their values from the calling environment