expression_list: Extract symbols from an expression of symbols and operators
Description
Extract symbols from an expression of symbols and operators
Usage
expression_list(expr, seps = "+")quosure_list(expr, seps = "+", env = caller_env())
symbol_string_list(expr, seps = "+")
Value
A list of all symbols in the expression, as symbol, quosure or text.
Arguments
- expr
A language expression
- seps
Operators to consider as separators
- env
Environment for the created quosure