Function eval_with_table 

pub fn eval_with_table(
    expression: &str,
    table: SymTable,
) -> Result<Decimal, String>

Evaluates an expression string with a custom symbol table.

Examples

use expr_solver::{eval_with_table, SymTable};
use rust_decimal_macros::dec;

let mut table = SymTable::stdlib();
table.add_const("x", dec!(42)).unwrap();

let result = eval_with_table("x * 2", table).unwrap();
assert_eq!(result, dec!(84));