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- _E_v_a_l_u_a_t_e _a_n (_U_n_e_v_a_l_u_a_t_e_d) _E_x_p_r_e_s_s_i_o_n
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- eval(expr, envir=sys.frame(sys.parent()))
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- _V_a_l_u_e:
-
- This function evaluates the expression expr argument in
- the environment specified by envir and returns the
- compted value. If envir is not specified, then the
- environment where the call to eval is made is used.
-
- _S_e_e _A_l_s_o:
-
- expression, environment.
-
- _E_x_a_m_p_l_e_s:
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- eval(2 ^ 2 ^ 3)
- mEx <- expression(2^2^3); mEx; 1 + eval(mEx)
- eval({ xx <- pi; xx^2}) ; xx
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-