chap 2.5.0

Chap is an easy to learn, interpretive, scripting language written in Rust
Documentation 
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use crate::builtin_function::math::add::add_data_types;
use crate::builtin_function::utils::{param_to_datatype, returns};
use crate::common::data_type::DataType;
use crate::common::errors::Result;
use crate::{common::executable::ExecutableLine, runtime::Runtime};

pub fn add_many(runtime: &mut Runtime, executable: &ExecutableLine) -> Result<()> {
    let mut sum = DataType::Int(0);
    for param in &executable.params {
        let new_value = param_to_datatype(runtime, Some(param), executable.line_number)?;
        sum = add_data_types(&sum, new_value)?;
    }

    returns(runtime, executable, sum)
}